Take the one tax rule the source package marks partial and turn it into a country-by-country re-qualification: E-Business Tax determination onto D365 tax groups and codes, statutory reporting onto localisations, ISVs or Electronic Reporting, and an honest register of what must be discovered.
This module is deliberately shorter and more cautious than its neighbours, because the evidence supporting it is thinner and saying so is more useful than filling the gap with plausible detail.
Tax and statutory work fails when it is treated as one topic. It is three, and they have different owners, different evidence and different risk profiles.
EBS determines tax through E-Business Tax. A transaction resolves against tax regimes, taxes, tax statuses, tax rates and tax rules, with the rules able to consider party, product, place and transaction characteristics. It is a rules engine, and mature estates configure it substantially.
The one substantive accounting design point in the tax rule is the recoverable versus non-recoverable split.
An EBS estate produces statutory output through XML Publisher templates and data definitions, driven by concurrent programs. The customisation register rates that estate at high effort and gives the classification that matters: separate customer-facing, statutory and internal operational use, and separate the template and layout effort…
The deliverable from this module is a register, and its value is in the columns that record uncertainty rather than the ones that record answers.
The gap register's encumbrance entry belongs in this module as much as in Finance Modelling, because it usually travels with a public-sector or grant-funded footprint that brings its own statutory reporting.
Which countries the estate genuinely files in. The module list is evidence, not an answer. Which shipped localisations cover which obligations. This changes with each release and must be checked against current documentation at design time, not read from a training path.
Tax is the one posting rule in the source package that is marked partial, and the gap register rates localisation-heavy indirect tax as high impact. Both signals point the same way: this is a re-qualification exercise, country by country and obligation by obligation, not a translation.