Parameter Description

Core Parameters


Parameter Description
ApplicationID Identification of the merchant’s configuration within the iVeri Gateway
CertificateID The iVeri CertificateID installed on the server communicating with the iVeri Gateway
CertificatePath Valid Path to directory where the KeyStoreFile or CertificateFile exists on the filesystem
CertificateFile Existing certificate file
CertificatePassword Password of the certificate
Gateway The name of the gateway connecting to. If not explicitly set, the default gateway is used.
RequestID A unique identifier generated by the iVeri Gateway for this request
Mode The mode of the corresponding ApplicationID. 
Test|Live
GetDevicePINKey Get DevicePINKey (use Category='Security')
Ping Ping (use Category='System')
Category use if Command = 'Debit' or 'Credit' or 'Authorisation' or 'AuthorisationReversal' or 'Void'
Transaction:  use if Command = 'Debit' or 'Credit' or 'Authorisation' or 'AuthorisationReversal' or 'Void'
System:  use if Command = 'Ping'
Enquiry: use if Command = 'Balance', 'PAN' or 'PANToken' or '‘AuthenticatedCollection' or ‘RequestForDebit’OR  ‘AccountValidation’
Security:  use if Command = 'GetDevicePINKey'
Command The command specifying what should be done by the iVeri Gateway
Authorisation: (use Category='Transaction')
AuthorisationReversal: (use Category='Transaction')
Credit: (use Category='Transaction')
Debit: (use Category='Transaction')
Void: (use Category='Transaction')
Balance Enquiry: (use Category='Enquiry')
PAN: (use Category='Enquiry')
PANToken: (use Category='Enquiry')
AuthenticatedCollection:(use Category='Enquiry')
AccountValidation: (use Category = ‘Enquiry’)
RequestForDebit:(use Category = ‘Enquiry’)
MasterPassQuickResponseCode:(use Category = ‘Enquiry’)
DynamicCurrencyConversion: (use Category = ‘Enquiry’)



Common Parameters 

Parameter Description
Acquirer The Acquiring system to which this transaction was routed by iVeri
NBPostilion NB Zimbabwe
NBPostilionUSD NB Zimbabwe
CBZPostilion CBZ Zimbabwe
CSCFIS CSC Lebanon
 NBPostilion iVeri SouthAfrica
ICPSPwC CIM Mauritius
OWWay4 IM Kenya
NBPostilion NB Namibia
AcquirerDate The date that the Acquirer allocated to this transaction
YYYYMMDD
YearMonthDay
AcquirerReference A reference allocated by the Acquirer to this transaction with format specific to the acqiurer. It is a composite element consisting of a settlement cycle and a transaction trace. The cycle can be 5 digits (the acquirer batch number) or 8 digits (cycle end date). The trace is the significant part of the acquirer Retrieval Reference Number (RRN). The trace can be 8 digits (if the RRN starts with 0000) or 12 digits (the full RRN).
CCCCC: TTTTTTTT CycleNumber: RRN8 (for Nedbank providers)
yyyyMMdd:tttttttt CycleEndDate: RRN8 (for the TMS provider)
yyyyMMdd:ydddhhtttttt CycleEndDate:RRN (for providers in general)
AcquirerTime The time that the Acquirer allocated to this transaction
Amount The total value of the transaction in the smallest unit of the currency specified (eg in cents)
AuthorisationCode The Authorisation Code issued by the Issuer to the Merchant either telephonically or electronically
BudgetPeriod The number of months over which the cardholder would like to pay the transaction off.
CardSecurityCode The 3 or 4 digits printed on the card which are not contained on the magnetic strip. Usually printed after the CCNumber on the signature strip. Corresponds to American Express CIV, MasterCard CVC2 and VISA CVV2.
Currency The ISO 4217 currency code of the value of the transaction. e.g., USD or ZAR or GBP
DisplayAmount The Amount returned in a currency aware printable format
ExpiryDate The last month of the validity period of the card
MMYY
MonthYear
CardholderName The name of the cardholder as embossed on the card.
CardholderEmail The email address of the cardholder
OrderDescription A brief description of the purchase made by the cardholder
AllowBudgetPeriod When this is true a ‘BudgetPeriod’ input field will be present on the CardDetails capture form.
RequestExpiryDate The date after which the debit request will expire
CreateTransactionUrl When this value is ‘true’ a ‘TransactionUrl’ will be returned to the merchant. If ‘false’ a debit request email will be sent to the ‘CardholderEmail’
TransactionUrl The transaction url that the Cardholder must be redirected to perform a transaction when the command was ‘RequestForDebit’. This will be returned to the merchant in the response if the ‘CreateTransactionUrl’ parameter is set to ‘true’
MerchantName The merchant name associated with the ApplicationID
MerchantAddress The merchant address associated with the ApplicationID
MerchantCity The merchant city associated with the ApplicationID
MerchantCountryCode The merchant country code associated with the ApplicationID
MerchantCountry The merchant country name associated with the ApplicationID
MerchantReference A merchant generated identifier that is unique within a specified time period that identifies a transaction sequence.  In the case that the transaction is an Authenticated Collection this field will contain the 14-character long Contract Reference allocated by the Merchant for this transaction.
OriginalMerchantReference A merchant generated identifier of a previous transaction used in a Tokenized PAN transaction
MerchantTrace Unique merchant identification for the request
MerchantUSN The merchant USN associated with the ApplicationID
OriginalMerchantTrace A reference to the original MerchantTrace previously sent to the iVeri Gateway
OriginalRequestID The RequestID that was returned as part of the original transaction
PAN Primary Account Number (eg Credit card number), may have been extracted from Track2. When this is an output parameter, then a section of it is dotted out, and safe to display or print
PANMode The mechanism by which the PAN was determined from the card. The value is a comma separated list of the following:
PurchaseDate The date on which the purchase was made. Defaults to current Date
PurchaseTime The time at which the purchase was made. Defaults to current Time
ReconReference Identifier that the Merchant is returned during a transaction and that also appears in the reconciliation information supplied by the Acquirer. Either assigned by the iVeri Gateway or derived from the specified MerchantReference.
StartDate The date of the start of the validity period of the card number. The start date is not available on many cards, and will remain an optional parameter until the start date becomes more common
Terminal Identifier optionally allocated by the merchant which is intended to group transactions together for reporting purposes in reconciliation statements.
Track2 Track2 after being read by the swipe device from the magnetic stripe on the card (for card present transactions). It is inclusive of the beginning and end markers being ; and ? respectively. 
TransactionIndex Unique identifier allocated by iVeri for a series of related transactions. If PANFormat is 'TransactionIndex', TransactionIndex is used to locate a previous transaction for the PAN to be resolved.
MobileMoneyID An additional transaction identifier returned for a PANFormat “MSISDN” transaction. This tag should be passed to the Gateway along with OriginalRequestID or OriginalMerchantTrace when the transaction needs to be Voided.
MSISDN A mobile number required by PANFormat “MSISDN” transactions
VisaCheckoutCallID Visa Checkout transaction ID associated with a payment request.
MasterPassTransactionID This is the MasterPass system transaction reference
ForeignAmount When doing a transaction in a foreign currency we need to specify the amount here in the foreign currency
Mandatory when doing transaction in foreign currency
ForeignCurrency When doing a transaction in a foreign currency we need to specify the foreign currency here
Mandatory when doing transaction in foreign currency
PANMode
ForeignExchangeID Unique Identifier returned in the DynamicCurrencyConversion / MultiCurrencyPricing linked to the BaseAmount /BaseCurrency and the Amount and Currency in the current transaction request
Mandatory when doing transaction in foreign currency
PANFormat An enumeration specifying how to obtain the PAN details
CardHolderPresence Specify how the cardholder is involved when a virtual transaction is performed. This tag supersedes the ElectronicCommerceIndicator tag. The value is a comma separated list of the following:


Card Detail Parameters

 

Parameter 

Node Type 

Data Type 

Min Length 

Max Length 

Description 

Association 

tag 

string 

50 

The association to which the card number belongs e.g., VISA or Master card or American Express 

Bin 

Tag 

string 

The Bank Identification Number into which PANs are grouped. Generally, this is the first two to eight digits 

CardType 

tag 

String  

50 

A description of the type of the card used e.g., Credit Card, Maestro, Electron etc 

Issuer 

tag 

string 

50 

If the card is local this gives a description of the institution that issued this card 

Jurisdiction 

Tag 

String  

50  

Description of whether the card is a local or international card 


3DSecure Parameters

Parameter 

Node Type 

Data Type 

Max Length 

Description 

ElectronicCommerceIndicator 

tag 

 

More commonly known as the ECI, it describes for virtual transactions what steps were taken to secure and authenticate the transaction. Values are the following subset of CardHolderPresence values: ThreeDSecure, ThreeDSecureAttempted, SecureChannel and ClearChannel 

CardHolderAuthenticationData 

tag 

Base64 

28 

For usage with Verified by Visa / MasterCard SecureCode. The CAVV or UCAF field depending on whether the card is VISA or Master card. Note: Original binary format length = 20 bytes. Mandatory when ElectronicCommerceIndicator = ThreeDSecure 

CardHolderAuthenticationID 

tag 

Base64 

28 

For usage with Verified by Visa / MasterCard SecureCode. The Transaction ID. Note: Original binary format length = 20 bytes. Mandatory when ElectronicCommerceIndicator = ThreeDSecure  

ThreeDSecure_RequestID 

Tag 

Guid 

 

The RequestID that was returned as part of the Enrollment Check that will be used to retrieve data for the Authentication Validation 

ThreeDSecure_VEResEnrolled 

Tag

Indicator that shows whether the cardholder is participating in 3DS. 

ThreeDSecure_ProtocolVersion

Tag



Indicates the version of 3D secure used

ThreeDSecure_DSTransID 

Tag



Directory Server Transaction ID returned for the transaction


Result Parameters

 

Parameter 

Node Type 

Data Type 

Max Length 

Description 

Code 

Attribute 

The numeric Result Code of the completed execution. See section 10.1 

Description 

Attribute 

String  

1024 

A description of the results of the completed execution. Only relevant where ResultStatus is 'Unsuccessful' [-1] or 'Successful with warning' [1] 

Source 

Attribute 

String  

138 

The source of the result 

Previous 

Attribute 

Boolean 

 

In most cases returns false, indicating that the other result values refer to the immediately completed execution. For advanced usage within a Reprint, to indicate whether the result returned refers to the current execution, or a previous execution. 

Status 

Attribute 

The status of the completed execution 

 

 

 

 

-1 

Unsuccessful 

Successful 

Successful, with warning 


Masterpass Parameters

Parameter Description
MasterPassAction Function for initiating MasterPass 
MasterPassMerchantID The merchant’s card acceptor ID
MasterPassShortDescription
MasterPassCodeExpiryDate The expiry date of the QR code
MasterPassMerchantName The merchant’s name
MasterPassCode
MasterPassTransactionID

 Dynamic Currency Conversion

Parameter 

Node Type 

Data Type 

Min Length 

Max Length 

Description 

ForeignCurrency

Subtag  

The ISO 4217 currency code of the value of the transaction. e.g. USD or ZAR or GBP 

ForeignAmount 

subTag 

11 

The total value of the transaction in the smallest unit of the currency specified (eg in cents) 

ForeignExchangeID 

Tag 

AN 

 

 

Contains a collection of ForeignExchangeItems 


Airline Data

Parameter 

Node Type 

Data Type 

Max Length 

Description 

PassengerName 

subTag 

AN 

60 

Passenger's first name. 

PrimaryTicketNumber 

subTag 

AN 

60 

 The ticket numbers.

FirstDepartureLocationCode 

subTag 

AN 

32 

 Code for departure airport location, eg. JNB for Johannesburg

FirstArrivalLocationCode 

subTag 

AN 

32 

 Code for destination airport location, eg. JNB for Johannesburg

OfficeIATANumber 

subTag 

AN 

32 

 The office IATA number

OrderNumber 

 subTag 

 AN

 

 The order number

PlaceOfIssue 

 subTag 

 AN

 

 The ticket office location

DepartureDate 

 subTag 

 AN

 

 Date of departure in yyyymmdd format

Note: The CompleteRoute, DepartureTime and JourneyType  will only be used when doing CyberSource Advanced Fraud Screening. 

 UPOP SecurePlus Parameters

Parameter 

Node Type 

Data Type 

Max Length 

Description 

UPOP_TransactionTime 

tag 

String  

 

The time when the Merchant sends the transaction. 

Date and time formatted as an ISO 8601 combined date and time string using the extended format. 

            - Format: YYYY-MM-DDThh:mm:ssZ 

              - YYYY = year 

              - MM = month 

              - DD = day 

              - hh = hour 

              - mm = minutes 

              - ss = seconds 

UPOP_RelatedTransactionType 

tag 

String 

Related Transaction Type. One of: 

              - Purchase 

              - Pre-authorization 

              The corresponding UnionPay protocol values are: 

              - 01: Purchase 

              - 02: Pre-authorization

UPOP_RequestID 

Tag 

Guid 

 

The RequestID that was returned as part of the Request Creation that will be used to retrieve data for the Authentication Validation 

UPOP_FrontUrl 

Tag 

URL 

256 

UPOP send the transaction result notification to the URL via cardholder’s browser 

UPOP_BackUrl 

Tag 

URL 

256 

UPOP send the transaction result notification to the URL via system 

UPOP_ACPReq 

Tag 

Base64 

No Limit 

The Authentication Request message to be posted to the UPOP authentication server 

UPOP_Endpoint 

Tag 

URL 

 

The UPOP authentication server endpoint where the Authentication Request message must be posted via cardholder’s browser 

UPOP_ACPRes 

Tag 

Base64 

No Limit 

The Authentication Response message received from the UPOP authentication server 

CyberSource Parameters

Parameter 

Node Type 

Data Type 

Max Length 

Description 

DeliveryMethod 

subTag 

255 

Physical or Virtual 

DeviceFingerprintID 

SubTag 

AN 

88 

Session ID for the fingerprint. 

BillTo_FirstName 

SubTag 

AN 

60 

First name of cardholder 

BillTo_LastName 

SubTag 

AN 

60 

Last name of cardholder 

BillTo_Street 

subTag 

AN 

60 

Street address of cardholder 

BillTo_City 

subTag 

AN 

60 

Billing city for cardholder 

BillTo_State 

subTag 

AN 

State or province of the cardholder. Required for U.S. and Canada. 

Use the two-character state, province, or territory codes. 

BillTo_Country 

subTag 

AN 

Billing country for cardholder. Use the two-character country codes. 

BillTo_PostalCode 

subTag 

AN 

10 

 Postal code of the billing address. Required only if the BillTo_Country field is US or CA 

BillTo_Email 

subTag 

AN 

100 

Email address of the cardholder 

BillTo_IPAddress 

subTag 

AN 

15 

 IP address of the cardholder as reported by your Web server via socket information. 

Note: If any of the fields marked in Red is unavalable all the fields in Red will be replaced with defaults specified by CyberSource 

POS Parameters

Parameter 

Node Type 

Data Type 

Max Length 

Description 

DeviceFirmware 

Tag 

String  

64 

The firmware (software) currently loaded on the device. This may be set as an integer 

DeviceFirmwareVersion 

Tag 

String  

64 

The version of the firmware (software) currently loaded on the device. 

DevicePINKey 

Tag 

Hex 

32 

Master/Session encryption specific: The device PIN Key encrypted under the device master key i.e. DMK(DPK) 

MACDevicePINKey 

Tag 

Hex 

Master/Session encryption specific: The MAC of the device PIN Key i.e. MAC(DPK) 

AvailableBalance 

Tag 

12 

The available amount in the cardholders account given in the smallest unit of currency of the cardholder (not necessarily the currency of the merchant) 

DisplayAvailableBalance 

Tag 

String 

25 

The AvailableBalance returned in a currency aware printable format 

CashAmount 

Tag 

12 

The Cash (back) portion of the Amount. Subject to the constraint: 0 <= CashAmount <= Amount 

CurrentBalance 

Tag 

12 

The current balance in the cardholders account given in the smallest unit of currency of the cardholder (not necessarily the currency of the merchant) 

DisplayCurrentBalance 

Tag 

String  

25 

The CurrentBalance returned in a currency aware printable format 

DeviceMake 

Tag 

String  

64 

The manufacturer of the device (terminal). e.g. Dione / Sagem 

DeviceSerialNumber 

Tag 

 String  

64 

The serial number of the device (terminal) 

DeviceCycle 

Tag 

String  

 

the current batch id of the device (terminal) 

PINBlock 

Tag 

Hex 

16 

The cardholders PIN encrypted using the current device pin key 

KeySerialNumber 

Tag 

Hex 

20 

DUKPT encryption specific: Mandatory input parameter needed in decryption of a DUKPT PINBlock. 

Track2KeySerialNumber 

Tag 

Hex 

20 

DUKPT Track2 encryption specific: Mandatory input parameter needed in decryption of a DUKPT Track2. 

PANKeySerialNumber 

Tag 

Hex 

20 

UKPT PAN encryption specific: Mandatory input parameter needed in decryption of a DUKPT PAN. 

EMV Parameters

Parameter 

Node Type 

Data Type 

Max Length 

Description 

EMV_AuthorisationRequestCryptogram 

Tag 

Hex 

16 

EMV tag 9F26 

EMV_ApplicationIdentifier 

Tag 

Hex 

32 

EMV tag 9F26 

EMV_ApplicationInterchangeProfile 

Tag 

Hex 

EMV tag 82 

EMV_CardSequenceNumber 

Tag 

Hex 

EMV tag 5F34 

EMV_ApplicationTransactionCounter 

Tag 

Hex 

EMV tag 9F36 

EMV_ApplicationVersion 

Tag 

Hex 

EMV tag 9F08 

EMV_CardHolderVerificationMethodResult 

Tag 

Hex 

EMV tag 9F34 

EMV_CryptogramInformationData 

Tag 

Hex 

EMV tag 9F27 

EMV_IssuerApplicationData 

Tag 

Hex 

64 

EMV tag 9F10 

EMV_TerminalCapabilities 

Tag 

Hex 

6 or 8 

EMV tag 9F33 

EMV_TerminalType 

Tag 

EMV tag 9F35 

EMV_TransactionType 

Tag 

EMV tag 9C 

EMV_TerminalVerificationResult 

Tag 

Hex 

10 

EMV tag 95 

EMV_UnpredictableNumber 

Tag 

Hex 

EMV tag 9F37 

EMV_TransactionStatusInformation 

Tag 

Hex 

EMV tag 9B 

EMV_IssuerAuthenticationData 

Tag 

Hex 

16 or 32 

EMV tag 91 

EMV_IssuerScriptTemplate1 

Tag 

Hex 

999 

EMV tag 71 

EMV_IssuerScriptTemplate2 

Tag 

Hex 

999 

EMV tag 72 

EMV_ResponseCode 

Tag 

AN 

EMV tag 8A

Procurement Parameters

 

Parameter 

Node Type 

Data Type 

Min Length 

Max Length 

Description 

CustomerReferenceIdentifier 

Tag 

AN 

 

17 

Description allocated by the merchant to be printed on the Cardholders statement 

CustomerVATRegistrationNumber 

Tag 

AN 

 

13 

The VAT registration number of the Customer if available 

DestinationCountry 

Tag 

The ISO code for the country of residence of the Merchant. e.g., ZA, US, GB 

DestinationZIPCode 

Tag 

AN 

10 

The Customers Destination ZIP code 

NationalTax 

Tag  

12 

The VAT amount of the transaction in the currency's smallest denomination. Depending on the NationalTaxIndicator this may be included or in addition to the Amount field 

NationalTaxIndicator 

Tag 

Indicates whether VAT is applicable to this transaction. 

 

NationalTax is NOT included 

NationalTax is included 

OrderDate 

Tag 

The date that the order was placed. This is not necessarily the same as the PuchaseDate. Defaults to current Date 

PurchaseIdentifier 

Tag 

AN 

25 

Optional description allocated by the Merchant to be displayed on the Merchants statement.  Defaults to MerchantReference. 

ShipFromZIPCode 

Tag 

AN 

10 

The ZIP code of the Merchant (Shipping source ZIP code) 

ShippingAmount 

Tag 

12 

The amount charged to the customer for shipping charges in the currency's smallest denomination. 

ShippingTaxRate 

Tag 

 

The VAT rate that applies to the ShippingAmount. It is a percentage and not the actual value. The value is the rate multiplied with 10000. 

TransactionDiscount 

Tag 

12 

Discount value for the transaction, it is the result of individual line-item percentage discounts applied to line items. In the currency’s smallest denomination 

UniqueVATInvoiceReferenceNumber 

Tag 

AN 

15 

The invoice number allocated by the merchant and appears on the merchant’s invoice given to the customer. This is an optional field is independent of the Merchant Reference. 


Procurement LineItems Parameters

 

Parameter  Node Type  Data Type  Max Length  Description 
CustomerReferenceIdentifier  Tag  AN  17  Description allocated by the merchant to be printed on the Cardholders statement 
CustomerVATRegistrationNumber  Tag  AN  13  The VAT registration number of the Customer if available 
DestinationCountry  Tag  The ISO code for the country of residence of the Merchant. e.g., ZA, US, GB 
DestinationZIPCode  Tag  AN  10  The Customers Destination ZIP code 
NationalTax  Tag   12  The VAT amount of the transaction in the currency's smallest denomination. Depending on the NationalTaxIndicator this may be included or in addition to the Amount field 
NationalTaxIndicator  Tag  Indicates whether VAT is applicable to this transaction. 0 NationalTax is NOT included, 1 NationalTax is included 
OrderDate  Tag  The date that the order was placed. This is not necessarily the same as the PuchaseDate. Defaults to current Date 
PurchaseIdentifier  Tag  AN  25  Optional description allocated by the Merchant to be displayed on the Merchants statement.  Defaults to MerchantReference. 
ShipFromZIPCode  Tag  AN  10  The ZIP code of the Merchant (Shipping source ZIP code) 
ShippingAmount  Tag  12  The amount charged to the customer for shipping charges in the currency's smallest denomination. 
ShippingTaxRate  Tag  The VAT rate that applies to the ShippingAmount. It is a percentage and not the actual value. The value is the rate multiplied with 10000. 
TransactionDiscount  Tag  12  Discount value for the transaction, it is the result of individual line-item percentage discounts applied to line items. In the currency’s smallest denomination 
UniqueVATInvoiceReferenceNumber  Tag  AN  15  The invoice number allocated by the merchant and appears on the merchant’s invoice given to the customer. This is an optional field is independent of the Merchant Reference. 

 Note: The fields in Blue will only be used when doing CyberSource Advanced Fraud Screening. 

Authenticated CollectionData Parameters

Parameter 

Node Type 

Data Type 

Required/Optinal   

Description 

AccountNumber 

subTag 

AN 

R  

The account number that the payor is agreeing to allow the payee debit. 

DebtorIdentification 

SubTag 

AN 

Some data to identify the payor e.g., ID Number 

DebtorIdentification 

subTag 

AN 

The maximum amount that the payor is agreeing to in the smallest unit of the currency specified (eg in cents) 

Fleet Parameters

Parameter

Node Type

Data Type

Min-Max Length

Description

CustomerReferenceIdentifier

 

 

 

Contains two subfields and is in the format: “Type” + “Odometer Reading”.

Private (P) or Business (B). Max Length = 1. Data Type = A

Odometer reading. Max Length = 7. Data Type = N

Fleet Line-Item Parameters

 

Parameter Node Type Data Type Max Length Description
Quantity Subtag N 8 The total number of line item units
QuantityDecimalPlaces subtag N 4 The number of implied decimals in the Quantity
UnitCost subtag N 10 The cost of a line item unit in the currency's smallest denomination
ProductCode subTag AN 64 The iVeri Product Code for the Fleet LineItem. The latest set of iVeri Fleet Product Codes can be obtained via the Inventory download command (Only use the ProductCodes with Type='Fleet'). The set at time of writing is provided here.
FLEET OIL:Oil
FLEET SERVICE:Service
FLEET TYRES: Tyres
FLEET ACCIDENTS:Accidents
FLEET ACCESSORIES
Accessories:FLEET BRAKES
Brakes
FLEET EXHAUSTS:Exhausts
FLEET SHOCK ABSORBERS: Shock absorbers
FLEET BATTERIES: Batteries
FLEET GLASS: Glass
FLEET TRUCK STOP: Truck Stop
FLEET FORECOURT SHOP:Forecourt Shop
FLEET HOTEL EXPENSES: Hotel Expenses
FLEET TOLL GATE: Toll Gate
FLEET MISCELLANEOUS:Miscellaneous
FLEET PREMIUM: Premium Fuel
FLEET REGULAR:Regular Fuel
FLEET SASOL:Sasol Fuel
FLEET DIESEL:Diesel Fuel
FLEET UNLEADED SUPER:Unleaded Super Fuel
FLEET UNLEADED PREMIUM:Unleaded Premium Fuel
FLEET AVIATION: Aviation Fuel