Basel COREP / FINREP
BASELfree10 data-quality rules for EU bank supervisory reporting under the EBA Implementing Technical Standards — COREP (own funds / capital) and FINREP (financial reporting), submitted as XBRL. Covers required template identification, LEI, currency, capital-ratio bounds, own-funds and RWA consistency, reporting reference date, and duplicate suppression. Use it to clear EBA validation rules before filing.
Checks included (10)
Total Own Funds Reconciles
Total own funds must equal Tier 1 plus Tier 2 capital (within rounding).
CET1 Ratio Ties to Capital / RWA
The reported CET1 ratio must equal CET1 capital divided by total RWA (within tolerance).
FINREP Balance Sheet Balances
FINREP total assets must equal total liabilities plus equity.
Required Reporting Fields Present
Each submission must carry the institution LEI, reporting reference date, and template/taxonomy identifier.
Reporting Reference Date Present(reference_date)
The reporting reference date must be present.
CET1 Ratio Within Plausible Bounds(cet1_ratio)
The Common Equity Tier 1 ratio (as a fraction) must fall between 0 and 1; values outside indicate a units or computation error.
Risk-Weighted Assets Are Non-Negative(total_rwa)
Total risk-weighted assets cannot be negative.
LEI Is 20 Characters(lei)
The institution LEI must be a 20-character ISO 17442 identifier.
Reporting Currency Is Valid ISO 4217
The reporting currency must be a valid ISO 4217 code.
One Submission per Institution / Template / Date(submission_key)
An institution should submit a single instance per template and reference date.