69 min read · EBA reporting framework 4.2 · Updated 10 November 2026

Own funds and capital requirements: every EBA validation rule in plain words (COREP own funds)

COREP and FINREP are the two pillars of European bank supervisory reporting. COREP (common reporting) covers capital, large exposures, leverage and liquidity. FINREP (financial reporting) covers the balance sheet, profit and loss and asset quality. Both are defined by the EBA and travel in XBRL.

EBA's 4.2 package has 1,411 validation rules for it. Line4 Check runs 1,075 of them (30,085 written-out checks): 33 can block a filing and 1,042 are warnings. EBA has switched 208 off. 128 are not run yet.

1,075rules Line4 Check runs
33can block a filing
1,042warnings
30,085written-out checks

The rules, by template

Each rule in plain words, its code in brackets. Open one for what to do if your filing fails it. A rule that reads more than one template is listed under the first. Rules are warnings unless marked blocking.

Nature of Report (COREP) (C 00.01)2 rules
Capital Adequacy - Own funds definition (C 01.00)40 rules, 12 blocking
Capital Adequacy - Risk Exposure Amounts (C 02.00.a)66 rules, 4 blocking
OWN FUNDS REQUIREMENTS (C 02.00.b)7 rules
Capital Adequacy - Ratios (C 03.00)14 rules, 3 blocking
Capital Adequacy - Memorandum Items (C 04.00)45 rules, 3 blocking
Capital Adequacy - Transitional provisions: Summary (C 05.01)25 rules
Capital Adequacy - Transitional provisions: Grandfathered instruments not constituting State aid (C 05.02)7 rules
Group Solvency - Total (C 06.01)6 rules
Group Solvency (C 06.02)13 rules
Credit and counterparty credit risks and free deliveries: Standardised Approach to capital requirements (C 07.00.a)81 rules, 3 blocking
Credit and counterparty credit risks and free deliveries: Standardised Approach to capital requirements - Of which: Arising from Counterparty Credit Risk (C 07.00.b)18 rules
Credit and counterparty credit risks and free deliveries: Standardised Approach to capital requirements - Memorandum items - Secured on Property (C 07.00.c)5 rules
Credit and counterparty credit risks and free deliveries: Standardised Approach to capital requirements - Memorandum items - in default (C 07.00.d)5 rules
Credit and counterparty credit risks and free deliveries: IRB Approach to capital requirements - TOTAL (C 08.01.a)41 rules
Credit and counterparty credit risks and free deliveries: IRB Approach to capital requirements - TOTAL - Of which arising from counterparty credit risk and off balance sheet (C 08.01.b)3 rules
Credit and counterparty credit risks and free deliveries: IRB Approach to capital requirements - TOTAL - Of which arising from counterparty credit risk and off balance sheet (C 08.01.c)2 rules
Credit and counterparty credit risks and free deliveries: IRB Approach to capital requirements - Breakdown of exposures assigned to obligor grades or pools by obligor grades (C 08.02)14 rules
Credit risk and free deliveries: IRB approach to capital requirements: breakdown by PD ranges (CR IRB 3) (C 08.03)12 rules
Credit risk and free deliveries: IRB approach to capital requirements: RWEA flow statements (CR IRB 4) (C 08.04)2 rules
Credit risk and free deliveries: IRB approach to capital requirements: back-testing of PD (CR IRB 5) (C 08.05)8 rules
Credit risk and free deliveries: IRB approach to capital requirements: back-testing of PD in accordance with Article 180(1), point (f) of Regulation (EU) No 575/2013 (CR IRB 5B) (I) (C 08.05.1.a)5 rules
Credit risk and free deliveries: IRB approach to capital requirements: specialised lending slotting approach (CR IRB 6) (C 08.06)6 rules
Credit risk and free deliveries: IRB approach to capital requirements: scope of use of IRB and SA approaches (CR IRB 7) (C 08.07)5 rules
Geographical breakdown of exposures by residence of the obligor (SA exposures) (C 09.01.a)14 rules
Geographical breakdown of exposures by residence of the obligor (SA exposures) - Exposures in default (C 09.01.b)12 rules, 3 blocking
Geographical breakdown of exposures by residence of the obligor (IRB exposures) (C 09.02)22 rules
Breakdown of credit exposures relevant for the calculation of the countercyclical buffer by country and institution-specific countercyclical buffer rate (C 09.04)5 rules, 1 blocking
CREDIT AND COUNTERPARTY CREDIT RISKS AND FREE DELIVERIES: IRB EXPOSURES SUBJECT TO OUTPUT FLOOR (C 10.00)13 rules
Credit risk: Equity - IRB approaches to capital requirements - TOTAL (C 10.01)19 rules
Credit risk: Equity - IRB approaches to capital requirements - Breakdown of total exposures under the PD/LGD Approach by obligor grades (C 10.02)4 rules
Settlement/Delivery risk (C 11.00)9 rules, 2 blocking
(CR SEC) Credit risk: Securitisations (C 13.01)64 rules
Detailed information on securitisations (C 14.00)22 rules
(CR SEC Details) Detailed information on securitisations by approach (C 14.01)3 rules
Exposures and losses from lending collateralised immovable property (C 15.00)2 rules
OPERATIONAL RISK - Own Funds Requirements (OPR OF) (C 16.01.a)8 rules
OPERATIONAL RISK - OWN Funds Requirements (OPR OF) (cont.) (C 16.01.b)2 rules
OPERATIONAL RISK - Business Indicator Component (OPR BIC) (C 16.02)11 rules
OPERATIONAL RISK BREAKDOWN - Losses, expenses, provisions and other financial impacts resulting from operational risk events (OPR BD) (C 16.03)1 rule
OPERATIONAL RISK - Information on subsidiaries subject to Article 314(3) CRR (OPR ILDC) (C 16.04)1 rule
Operational risk: Losses and recoveries by business lines and event types in the last year (C 17.01.a)20 rules
Operational risk: Thresholds applied in data collections (C 17.01.b)2 rules
Operational risk: Large loss events (C 17.02)2 rules
Market risk: Standardised Approach for traded debt instruments (C 18.00)27 rules, 1 blocking
Market risk: Standardised Approach for specific risk in securitisations (C 19.00)18 rules
Market risk: Standardised Approach for specific risk in the correlation trading portfolio (C 20.00)13 rules
Market risk: Standardised Approach for position risk in equities (C 21.00)18 rules
Market risk: Standardised Approaches for foreign exchange risk (C 22.00)15 rules
Market risk: Standardised Approach for position risk in commodities (C 23.00)9 rules
Market risk: Internal models - Total (C 24.00)12 rules
CREDIT VALUATION ADJUSTMENT RISK (CVA) (C 25.01.a)15 rules
CREDIT VALUATION ADJUSTMENT RISK (CVA) (C 25.01.b)11 rules
Prudent valuation. Fair-Valued assets and liabilities (C 32.01)17 rules
Prudent valuation: Core approach – Pre and post diversification (C 32.02.a)24 rules
Prudent valuation: Core approach - AVAs assessed to have zero value (C 32.02.b)5 rules
Prudent valuation: Core approach – Other (C 32.02.c)12 rules
Prudent valuation. Model risk AVA (C 32.03)4 rules
Prudent valuation. Concentrated positions AVA (C 32.04)2 rules
General governments exposures by country of the counterparty and regulatory approach (Gov) (C 33.00.a)9 rules, 1 blocking
General governments exposures by country of the counterparty and regulatory approach (Gov) (C 33.00.b)1 rule
Size of the derivative business (CCR 1) (I) (C 34.01.a)8 rules
CCR exposures by approach (CCR 2) .a (C 34.02.a)7 rules
CCR exposures by approach (CCR 2) .b (C 34.02.b)15 rules
CCR exposures treated with standardised approaches: SA-CCR or simplified SA-CCR (CCR 3) (C 34.03)13 rules
CCR exposures treated with the original exposure method (OEM) (CCR 4) (C 34.04)3 rules
CCR exposures treated with the internal model method (IMM) (CCR 5) (C 34.05)12 rules
Top twenty counterparties (CCR 6) (C 34.06)1 rule
IRB approach – CCR exposures by exposure class and PD scale (CCR 7) (C 34.07)9 rules
Composition of collateral for CCR exposures (CCR 8) (I) (C 34.08.a)2 rules
Composition of collateral for CCR exposures (CCR 8) (II) (C 34.08.b)2 rules
Credit derivatives exposures (CCR 9) (C 34.09)3 rules
Exposures to CCPs (CCR 10) (C 34.10)6 rules
RWEA flow statements of CCR exposures under the IMM (CCR 11) (C 34.11)2 rules
NPE loss coverage: Calculation of deductions for non-performing exposures (NPE LC1) (C 35.01)72 rules
NPE loss coverage: Minimum coverage requirements and exposure values of non-performing exposure excluding forborne exposures that fall under article 47c (6) CRR (NPE LC2) (C 35.02)14 rules
NPE loss coverage: Minimum coverage requirements and exposure values of non-performing forborne exposures that fall under article 47c (6) CRR (NPE LC3) (C 35.03)21 rules
EXPOSURES TO CRYPTO-ASSETS (C 36.00.a)4 rules
EXPOSURES TO CRYPTO-ASSETS (C 36.00.b)1 rule

Templates with no rule of their own

Rules on other templates can still read them.

  • Credit risk and free deliveries: IRB approach to capital requirements: back-testing of PD in accordance with Article 180(1), point (f) of Regulation (EU) No 575/2013 (CR IRB 5B (II) (C 08.05.1.b)
  • Size of the derivative business (CCR 1) (II) (C 34.01.b)
  • CCR exposures by approach (CCR 2) (C 34.02)
208 rules EBA has switched off

EBA has switched these off, in its 4.2 severity package or since then in its list of validation rules (latest update 12 October 2026): they do not apply to 4.2 filings.

v0190_m, v0197_m, v0201_m, v0309_m, v0313_m, v0340_m, v0383_m, v0470_m, v0471_m, v0473_m, v0475_m, v0476_m, v0478_m, v0611_m, v1659_m, v1661_m, v1671_m, v1674_m, v3735_s, v4757_m, v4758_m, v4769_m, v4772_m, v4773_m, v4786_m, e4893_n, e4894_n, e4895_n, e4896_n, e4898_n, e4899_n, e4900_n, e4901_n, v4906_m, v5821_h, v6067_m, v6068_m, v6268_m, v6269_m, v6334_m, v6566_s, v7336_m, v7338_m, v7347_m, v7349_m, v7354_m, v7355_m, v7359_m, v7364_m, v7365_m, v7367_m, v7368_m, v7371_m, v7372_m, v7373_m, v7374_m, v7375_m, v7376_m, v7377_m, v7378_m, v7379_m, v7380_m, v7381_m, v7386_m, v7387_m, v7520_m, v7521_m, v7523_m, v7524_m, v7525_m, v7526_m, v7527_m, v7528_m, v7529_m, v7530_m, v7531_m, v7532_m, v7533_m, v7534_m, v7535_m, v7536_m, v7537_m, v7538_m, v7539_m, v7540_m, v7541_m, v7542_m, v7543_m, v7544_m, v7545_m, v7546_m, v7547_m, v7548_m, v7549_m, v7550_m, v7551_m, v8712_m, v8731_m, v8785_m, v8786_m, v8787_m, v09751_m, v09752_m, v09773_m, v09774_m, v09775_m, v09776_m, v09777_m, v09778_m, v09787_m, v09788_m, v09789_m, v09790_m, v09791_m, v09792_m, v09793_m, v09794_m, v09795_m, v09796_m, v09797_m, v09799_m, v09805_m, v09812_m, v09813_m, v09814_m, v10309_s, v10328_s, v10481_s, v10662_m, v10663_m, v10665_m, v10667_m, v10673_m, v11509_m, v11511_m, v11649_m, v11650_m, v11651_m, v11652_m, v11653_m, v11654_m, v11661_m, v11662_m, v11663_m, v11674_m, v11866_m, v11867_m, v11868_m, v11869_m, v11870_m, v11872_m, v11873_m, v11875_m, v22914_m, v22949_m, v22950_m, v22951_m, v22952_m, v22954_m, v22955_m, v22956_m, v22957_m, v22958_m, e22959_n, e22960_n, v22981_m, v22998_m, v23001_m, v23003_m, v23004_m, v23005_m, v23006_m, v23020_m, v23021_m, v23022_m, v23023_m, v23024_m, v23051_m, v23053_m, v23061_m, v23083_m, v23086_m, v23087_m, v23088_m, v23089_m, e23119_e, v23268_m, v23338_m, v23345_s, v23607_m, v23688_s, v23706_s, v23713_s, v23740_m, v90304_m, v90315_m, v90316_m, v90317_m, v90322_m, v90323_m, v903250_h, v903251_h, v903252_h, v903253_h, v903254_h, v903610_h, v903627_h, v903649_h

128 rules not run yet

Their EBA formulas need parts of the XBRL formula language Line4 Check does not cover yet. Your authority's validation runs them.

v0384_m, v0385_m, v0415_m, v0416_m, v0418_m, v0420_m, v0421_m, v0423_m, v0425_m, v0426_m, v0428_m, v0430_m, v0431_m, v0433_m, v0435_m, v0436_m, v0438_m, v0440_m, v0441_m, v0443_m, v0445_m, v0446_m, v0448_m, v0450_m, v0451_m, v0453_m, v0455_m, v0456_m, v0458_m, v0460_m, v0461_m, v0463_m, v0465_m, v0466_m, v0468_m, v1672_m, v1673_m, v4770_m, v5745_q, v5746_q, v5747_q, v5748_q, v5749_q, v5750_q, v5751_q, v5752_q, v5753_q, v5754_q, v5755_q, v5756_q, v5757_q, v5758_q, v5759_q, v5760_q, v5761_q, v5762_q, v5763_q, v5764_q, v5765_q, v5766_q, v5767_q, v5768_q, v5769_q, v5770_q, v5771_q, v5772_q, v5777_q, v5778_q, v5779_q, v5780_q, v5785_q, v5786_q, v5787_q, v5788_q, v5789_q, v5790_q, v5791_q, v5792_q, v5793_q, v5794_q, v5795_q, v5796_q, v5797_q, v5798_q, v5799_q, v5800_q, v5801_q, v5802_q, v5803_q, v5804_q, v5805_q, v5806_q, v5807_q, v5808_q, v5809_q, v5810_q, v5811_q, v5812_q, v5813_q, v5814_q, v5815_q, v5816_q, v6123_q, v6124_q, v6125_q, v6126_q, v6263_m, v6264_m, v6272_m, v6295_m, v7339_m, v7353_m, v7358_m, v7360_m, v7361_m, v7362_m, v7370_m, v8653_m, v8654_m, v8713_m, v8732_m, v9999_m, v11655_m, v11656_m, v11657_m, v11871_m, v11890_m, v23336_m

Checks like this one, run at the point of submission, are the first step to real-time supervision. See every return on EBA validation rules in plain words.