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Lagos · Release certification

Taxation — Release certification

Taxation's own structural and realism results on Lagos, pulled straight from the domain's own certification write-up.

Documented release scope · Internal checks of synthetic records, with source dates and known limits. These are not live reruns or independent certification.

Taxation Certification Result

9 of 16 structural checks. 4 of 5 realism checks.

9 / 9Taxation-side structural checks PASS, Lagos
LAGOS — 9/9 certification check structural PASS · 4/4 certification check realism PASS

Tax Compliance

certification check — share of assessments with at least one payment
PASS, Lagos — 72.88% of 16,056,194 assessments; Lagos 64.09% of 38,759,866.

Tax Type Diversity

certification check — at least 3 distinct tax types actually assessed
PASS, Lagos — assesses 4 of 8 populated types; Lagos assesses all 8 of 8.

Reversed Payments

certification check — share of TaxPayment rows with IsReversed = 1
PASS, Lagos — fixed 2026-07-27: 2.00% (233,920 of 11,702,028), Lagos 2.00% (496,296 of 24,842,852), after a real hard-0% data artifact was found and fixed.

This is a Taxation-scoped extract of what's already published on the domain page. The six-category certification framework (Structural, Statistical, Historical, Privacy, Reproducibility, Explainability) organizes reported checks. Available results depend on the release and domain. See Release certification explorer →.

Open the full Taxation write-up →

Taxation Spot Check

Review the published record examples.

These published synthetic record examples show the dated history available for this domain. Longer histories are sampled across their full span; each record states how many events are displayed.

Citizen #51356002022–2025 · 24 events

The published write-up reports a birth/death integrity guard at record creation. This selected example and the guard have not been independently rerun here.

View sampled timeline →
Citizen #72410802022–2025 · 24 events

The published write-up reports a birth/death integrity guard at record creation. This selected example and the guard have not been independently rerun here.

View sampled timeline →
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