ERRATUM: Re: Complete Draft Rules Re: UBL 2 Invoice Calculation Model

[Stephen Green <stephengreenubl@gmail.com>]

> U2ICMDraft2Rule8:
>
> "The 'PayableAmount' in the invoice 'LegalMonetaryTotal' SHOULD be
> equal to the 'TaxInclusiveAmount' (in the invoice 'LegalMonetaryTotal')
> plus the sum of any 'PrepaidPayment' amounts (at invoice document level)."
>

This should of course read

 "The 'PayableAmount' in the invoice 'LegalMonetaryTotal' SHOULD be
 equal to the 'TaxInclusiveAmount' (in the invoice 'LegalMonetaryTotal')
 MINUS the sum of any 'PrepaidPayment' amounts (at invoice document level)."


---
Stephen D Green




2009/10/8 Stephen Green <stephengreenubl@gmail.com>:
> Substantive Completion of Draft 2 of UBL 2 Invoice Calculation Model Rules
>
>
> The key words "MUST", "MUST NOT", "REQUIRED", "SHALL", "SHALL
>      NOT", "SHOULD", "SHOULD NOT", "RECOMMENDED",  "MAY", and
>      "OPTIONAL" in this document are to be interpreted as described in
>      RFC 2119.
> http://www.ietf.org/rfc/rfc2119.txt
>
>
> -------
> U2ICMDraft2Rule1:
>
> "To be a conforming UBL 2 invoice the document MUST be valid according
> to a standard UBL 2 Invoice schema."
>
> U2ICMDraft2Rule2:
>
> "The document level line extension total SHOULD be the sum of all line
> extension amounts at line level."
>
> U2ICMDraft2Rule3:
>
> "The 'TaxExclusiveAmount' in the invoice 'LegalMonetaryTotal' SHOULD
> be equal to the sum of the 'LineExtensionAmount's in all of the
> invoice lines plus the sum of the invoice 'AllowanceCharge' charges
> minus the sum of the invoice 'AllowanceCharge' allowances."
>
> U2ICMDraft2Rule4:
>
> "The 'AllowanceTotalAmount' in the invoice 'LegalMonetaryTotal' SHOULD
> be equal to the the sum of the invoice 'AllowanceCharge' allowances."
>
> U2ICMDraft2Rule5:
>
> "The 'ChargeTotalAmount' in the invoice 'LegalMonetaryTotal' SHOULD
> be equal to the the sum of the invoice 'AllowanceCharge' charges."
>
> U2ICMDraft2Rule6:
>
> "In the invoice 'LegalMonetaryTotal' the 'LineExtensionAmount' SHOULD
> be equal to the 'TaxExclusiveAmount' plus any 'AllowanceTotalAmount'
> minus any 'ChargeTotalAmount'."
>
> U2ICMDraft2Rule7:
>
> "The 'TaxInclusiveAmount' in the invoice 'LegalMonetaryTotal' SHOULD be
> equal to the TaxExclusiveAmount (in the invoice 'LegalMonetaryTotal')
> plus the sum of the invoice total tax amounts (at invoice document
> level)."
>
> U2ICMDraft2Rule8:
>
> "The 'PayableAmount' in the invoice 'LegalMonetaryTotal' SHOULD be
> equal to the 'TaxInclusiveAmount' (in the invoice 'LegalMonetaryTotal')
> plus the sum of any 'PrepaidPayment' amounts (at invoice document level)."
>
> U2ICMDraft2Rule9:
>
> "The sum of invoice document level tax total amounts SHOULD equal the sum of
> all document level subtotal tax amounts."
>
> ------
>
>
> I'd make a suggestion that these might, subject to revisions and approval or
> otherwise by UBL TC, be made normative rules, perhaps as part of UBL 2.1
> (keyword 'SHOULD' allowing for exceptions due to corner cases such as
> customisation removing an optional amount which is part of one of the rules).
>
> ---
> Stephen D Green
>