All 220 guides
Every guide opens with a route check: the stage, the data, the validation to expect, and the first check to make. Page 10 of 11, guides 181 to 200.
Cloud archiving and control
What to check when an archive lives with a provider: access, export, location and exit.
Deleting invoices safely at end of retention
Deletion only after retention, authorisation and a record of what was deleted, and why.
Evidence for tax and legal questions
What to produce when a tax or legal question arises, and why the status trail matters as much as the invoice.
Readable archives and format migration
Keeping an archive readable when formats change, without losing the original form.
Retention periods and how to check them
Retention as a rule to check with the official source for each jurisdiction, not as a single number on this site.
Retrieving an invoice for audit
Finding an invoice by identifier, party, period and status, quickly enough for an audit to use.
What to archive with an invoice
Invoice, status messages, corrections and references, as one retrievable set.
Country research: Europe explained
How to research a European country e-invoicing rule: factsheet, national authority, buyer rule, in that order, dated and source-labelled.
Belgium e-invoicing research guide
How to research Belgium e-invoicing: official sources, scope questions and the Peppol route to verify.
Denmark e-invoicing research guide
How to research Denmark e-invoicing: official sources, scope questions and the public buyer route to verify.
France e-invoicing research guide
How to research France e-invoicing: official sources, scope questions and the phased approach, checked as of the guide date.
Germany e-invoicing research guide
How to research Germany e-invoicing: B2G and B2B scope questions, formats and the official sources to check.
Italy e-invoicing research guide
How to research Italy e-invoicing: official sources to check, scope questions to ask, and what not to assume from a secondary summary.
Netherlands e-invoicing research guide
How to research Netherlands e-invoicing: official sources, scope questions and the B2G route to verify.
Poland e-invoicing research guide
How to research Poland e-invoicing: official sources, scope questions and the platform route to verify.
Romania e-invoicing research guide
How to research Romania e-invoicing: official sources, scope questions and the reporting route to verify.
Spain e-invoicing research guide
How to research Spain e-invoicing: official sources, scope questions and the format and route to verify.
Sweden e-invoicing research guide
How to research Sweden e-invoicing: official sources, scope questions and the public buyer route to verify.
Country research beyond Europe explained
How to research a non-European country rule: national tax authority, platform or clearance model, buyer rule, in that order.
Australia e-invoicing research guide
How to research Australia e-invoicing: official sources, the Peppol route and ATO context to verify.