From:  Electronic Commerce Modeling Language (ECML): Version 2 Specification
From:  http://www.ietf.org/internet-drafts/draft-ietf-trade-ecml2-spec-00.txt
Date:  2001-04-28
Correction made: ">" in Id attr defn declaration

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2.2 ECML v2 XML DTD

   For internationalization of [XML] ECML, use the general XML character
   encoding provisions, which mandate support of UTF-8 and UTF-16 and
   permit support of other character sets, and the xml:lang attribute
   which may be used to specify language information.

   <!-- Electronic Commerce Modeling Language v2 -->

   <!ELEMENT Ecom ( #PCDATA | ShipTo | BillTo | ReceiptTo | Payment |
                    User | Merchant | Transaction | TransactionComplete )* >
   <!ATTLIST Ecom
             id        ID         #IMPLIED
             ConsumerOrderID CDATA #IMPLIED
             Merchant  CDATA      #IMPLIED
             Processor CDATA      #IMPLIED
             SchemaVersion  "http://ecml2.trade.ietf.arpa"  #IMPLIED
             WalletID  CDATA      #IMPLIED >

   <!ELEMENT ShipTo ( #PCDATA | Postal | Telecom | Online )* >
   <!ATTLIST ShipTo
             id        ID         #IMPLIED >

   <!ELEMENT BillTo  ( #PCDATA | Postal | Telecom | Online )* >
   <!ATTLIST BillTo
             id        ID         #IMPLIED >

   <!ELEMENT ReceiptTo ( #PCDATA | Postal | Telecom | Online )* >
   <!ATTLIST ReceiptTo
             id        ID         #IMPLIED >

   <!ELEMENT Postal ( #PCDATA | Name | Company |
                                Street | City | StateProv )* >
   <!ATTLIST Postal
             id        ID         #IMPLIED
             PostalCode NMTOKEN   #IMPLIED
             CountryCode NMTOKEN  #IMPLIED >

   <!ELEMENT Name EMPTY >
   <!ATTLIST Name
             id        ID         #IMPLIED
             Prefix    NMTOKEN    #IMPLIED
             First     NMTOKEN    #IMPLIED
             Middle    NMTOKEN    #IMPLIED
             Last      NMTOKEN    #IMPLIED
             Suffix    NMTOKEN    #IMPLIED >

   <!ELEMENT Street EMPTY >
   <!ATTLIST Street
             id        ID         #IMPLIED
             Line1     CDATA      #REQUIRED
             Line2     CDATA      #IMPLIED
             Line3     CDATA      #IMPLIED >

   <!ELEMENT Company #PCDATA >

   <!ELEMENT City #PCDATA >

   <!ELEMENT StateProv #PCDATA >

   <!ELEMENT Telecom ( #PCDATA | Phone )* >

   <!ELEMENT Phone EMPTY >
   <!ATTLIST Phone
             id         ID        #IMPLIED
             Number     CDATA     #REQUIRED >

   <!ELEMENT Online ( #PCDATA | Email )* >

   <!ELEMENT Email EMPTY >
   <!ATTLIST Email
             id         ID        #IMPLIED
             Address    CDATA     #REQUIRED >

   <!ELEMENT Payment Card>

   <!ELEMENT Card ExpDate >
   <!ATTLIST Card
             id          ID        #IMPLIED
             Name        CDATA     #IMPLIED
             Type        NMTOKEN   #IMPLIED
             Number      NMTOKEN   #REQUIRED
             Protocols   NMTOKENS  #IMPLIED
             Verification NMTOKEN  #IMPLIED >

   <!ELEMENT ExpDate EMPTY >
   <!ATTLIST ExpDate
             id          ID        #IMPLIED
             Day         NMTOKEN   #IMPLIED
             Month       NMTOKEN   #REQUIRED
             Year        NMTOKEN   #REQUIRED >

   <!ELEMENT User ( #PCDATA | UserID | Password )* >
   <!ATTLIST User
             id          ID        #IMPLIED >

   <!ELEMENT UserID #PCDATA >

   <!ELEMENT Password #PCDATA >

   <!ELEMENT Merchant Terminal >

   <!ATTLIST Merchant
             id          ID        #IMPLIED

   <!ELEMENT Terminal EMPTY >
   <!ATTLIST Terminal
             Id          ID     #IMPLIED
             Data        CDATA  #IMPLIED

   <!ELEMENT Transaction ( #PCDATA | Id | Code | Date | Data | Inquiry |
   Signature
   )* >
   <!ATTLIST Transaction
             Amount      CDATA     #IMPLIED
             Currency    NMTOKEN   #IMPLIED
             Type        NMTOKEN   #IMPLIED >

   <!ELEMENT Id EMPTY >
   <!ATTLIST Id
             Id          ID        #IMPLIED
             CID         NMTOKEN   #IMPLIED
             Reference   NMTOKEN   #IMPLIED
             Acquire     NMTOKEN   #IMPLIED
             Forward     NMTOKEN   #IMPLIED >

   <!ELEMENT Code EMPTY >
   <!ATTLIST Code
             Processing  CDTATA    #IMPLIED
             Approval    NMTOKEN   #IMPLIED
             Retrieval   NMTOKEN   #IMPLIED
             Action      NMTOKEN   #IMPLIED
             Reason      NMTOKEN   #IMPLIED
             POS         NMTOKEN   #IMPLIED >

   <!ELEMENT Date EMPTY >
   <!ATTLIST Date
             Effective
             Settle
             Capture

   <!ELEMENT DATA ( #PCDATA | Trace | PrivateUse | Response | AAV | Track1 |
   Track2 )* >

   <!ELEMENT TransactionComplete EMPTY>