Re: [ubl-dev] Is there a consistency expression for MonetaryTotal objects

["G. Ken Holman" <g.ken.holman@gmail.com>]

It is up to communities of users to document such relationships.

For example, in Denmark such was documented here along with many 
other guidelines:

http://oioubl.info/guidelines/en/commonguidelines.html

Specific for the monetary totals, see here:

http://oioubl.info/documents/en/en/Guidelines/OIOUBL_GUIDE_TOTALS.pdf

For another example, the CEN specification of the calculation of 
totals is found here:

http://docs.peppol.eu/poacc/billing/3.0/bis/#_calculation_of_totals

At one point more than 10 years ago the UBL committee set out to 
propose what we called "calculation models", but the effort fizzled 
when users were telling us, in effect, "we have our own calculation models".

Having said that, though, based on input from the community the 
committee has recently revived the Small Business Subcommittee in 
order to create a sample deployment of UBL that organizations can 
choose to use. The calculation models for that deployment will be 
documented, but as with the small business subset itself, the related 
work products will not be normative. They will simply be a set of 
guidelines for users to use who do not already have their own guidelines.

https://www.oasis-open.org/committees/sc_home.php?wg_abbrev=ubl-sbsc

I suggest you distill an amalgam of the models you find out there and 
document for your users the model you have assumed in your implementation.

Your input to the SBSC regarding such would be most welcome.

. . . . . Ken

At 2018-08-17 11:52 +0100, David Goodenough wrote:

> Presumably there exists a rule that can be used to validate 
> arithmetically a MonetaryTotal object. Then for an 
> Invoice/Order/RemittanceAdvice rules like the sum of the line items 
> should equal the totals. And I am sure there are other testable 
> consistency rules.
>
>
>
> Are they documented anywhere? If not has anyone come up with any 
> rules of their own that are useful?
>
>
>
> David


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