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In thinking more about my previous
e-mail,
a) of course, with regard to the Amount,
we do already have BIEs for various
currencies.
It makes we wonder whether there has been a
reluctance to rely on those sparse supplementary
component attributes for the CCT Amount
and use separately declared Code BIEs for currency
which
do have all the necessary supplementary
components
(in the CCT Schema, if not, now, in
the
CC DT Schema).
If my guess is right then maybe we are better
off without
the rest of the Supplementary Components
in
Amount in order to avoid there being two ways
to specify a currency.
To do this wouldn't we need either for a
restriction to
be applied in the CC DT Schema or in the UBL DT
Schema?
*** Then we'd also need the reversal somehow of
the
dropping of the supplementary components from
the
CC DT (RT) Schema for Code or perhaps a
way
to use the CCT Code or to restrict the CCT (not
CC
DT) Code differently in the UBL DT Schema (including
the missing Supplementary
Components)
and use that ***
On that line (perhaps going too far - so close to
final release)
couldn't the same logic be applied to
Measure
and Quantity - to avoid the use of their CCT Supp
Comps for
UOM without the codelist mechanism:
If the Code Supp Comps were
fixed
we could restrict Measure and Quantity to have
no code supplementary components
Then we could add (the messy part?)
Code-based BBIEs to the model to specify UOM
Unlike Amount/Currency we'd have to do this for
each and every Measure and Quantity (they could
all be different) - perhaps creating an appropriate
ABIE with
Measure.Measure and
UnitsOfMeasure.Code
If someone says that the codelist methodology will
rule
out the need to specify codelists (not codes,
obviously),
I'm not so sure that a legal document wiould be
allowed
to have codelists which aren't specified in the
document itself.
This might, I *guess*, apply particularly to
both
currency and measure/quantity. Having Currency
BBIEs is
one thing but I'd guess they'd have in most global
cases (albeit
perhaps not including the USA
where I've heard it is acceptable, at least in some
cases,
not to even speicfy the currency) to
specify
both currency and codelist (even if it's ISO
4217).
Steve
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