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Submission Schema for RIN and Credit Transactions in the EPA Moderated Transaction System (EMTS)

This ZIP file contains the xml format that must be followed for submission of transactions into the EPA Moderated Transaction System (EMTS) for the Renewable Fuel Standard (RFS) or Fuels Averaging, Banking and Trading (ABT).

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  • EMTS XML Schema v4.2.0 (ZIP)(1 pg, 33 K, January 2017)
    Version of the schema that was released with EMTS v4.4.
    Upgrading from versions 3.0 or 3.1 to this schema is optional.
  • EMTS XML Schema v3.3 (ZIP)(1 pg, 18 K, October 2015)
    Version of the schema that was released with EMTS v4.2. It is also accepted in EMTS v4.3.
    Upgrading from versions 3.0 or 3.1 to this schema is optional.
  • EMTS XML Schema v3.1 (ZIP)(1 pg, 20 K, May 2015)
    Version of the schema that was released with EMTS v4.1. It is also accepted in EMTS v4.3 and v4.2. 
    Upgrading from version 3.0 to this schema is optional. 
  • EMTS XML Schema v3.0 (ZIP)(1 pg, 15 K, September 2014)
    Version of the schema that was released with EMTS v4.0. It is also accepted in EMTS v4.3 and v4.2.
The following table contains a list of changes that were made in each version of the schema:
 
Schema Version Number Applicable EMTS Version Required Update? Changes that apply to Fuels ABT users Changes that apply to RFS users
v3.3

v4.3
(released in April 2016)

v4.2 
(released in November 2015)

No
  1. Transaction type Credit Lock has been added.
  2. Transaction type Credit Unlock has been added.
  1. Optional elements BillofLading and Invoice were added to BuyTransactionDetail.
  2. Optional elements BillofLading and Invoice were added to SellTransactionDetail.
  3. An optional element RemedialActionIndicator has been added to GenerateTransactionDetail.
v3.1

v4.3
(released in April 2016)

v4.2 
(released in November 2015)

v4.1
(released in May 2015)

No

1. Four transaction types were added for Fuels ABT:

  • Credit Generate
  • Credit Buy
  • Credit Sell
  • Credit Retire

2. For each of the four transaction types in #1 above, the following data elements were added:

  • EMTS_SimpleContent_v3.1.xsd contains:
    • CreditQuantity
    • CreditStandardCode
    • CreditTypeCode
    • CreditYear
    • GenerateReasonCode
    • TimesTraded
    • CalculatedAnnualAverage
    • TotalVolume
  • EMTS_SupportingDocumentDetail_ v3.1.xsd contains:
    • CreditGenerateSupporting DocumentDetail
    • CreditBuySupportingDocumentDetail
    • CreditSellSupportingDocumentDetail
    • CreditRetireSupportingDocument Detail

3. CreditYear was modified from a minimum value of “2010” (inclusive) to a minimum of “1999” (inclusive).