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1 min readBlockingBank of England taxonomy 2.2.0Updated 11 November 2026

List of assets: the first two letters are not valid ISO3166 country code (IR.06.02, Bank of England rule IR_bv1673)

A blocking check on the list of assets template (IR.06.02), in the quarterly group (QRG) and annual group (ARG) returns.

Check your file for this ruleWhat to do if it fails

The rule in plain words

The first two letters are not valid ISO3166 country code

What to do if your return fails it

  1. 01Open the table below and find the cells the rule reads.
  2. 02Compare the code or text in your return with the format the rule sets out, character by character, including any prefix and any spaces.
  3. 03It runs only when your filing indicators mark IR.06.02 as reported.
  4. 04This is a blocking check. A return that fails it is normally rejected, so fix it before you submit.

The cells it reads

List of assets - information on assets (IR.06.02.04.02)

Column

  • C0290CIC

Which returns it applies to

Line4 Check runs it on quarterly group (QRG) and annual group (ARG) returns on Bank of England taxonomy 2.2.0. The Bank of England applies it to quarterly group (QRG) and annual group (ARG) returns, as a blocking check.

The Bank’s own words and formula

The plain words above are the Bank of England’s own, word for word, from its list of validations.

Show the formulaShow

The Bank of England's formula. Cells are written as {t: table, r: row, c: column}.

matches({t: IR.06.02.04.02, c: C0290, z: Z0001}, "^((AF)|(AX)|(AL)|(DZ)|(AS)|(AD)|(AO)|(AQ)|(AG)|(AR)|(AM)|(AW)|(AU)|(AT)|(AZ)|(BS)|(BH)|(BD)|(BB)|(BY)|(BE)|(BZ)|(BJ)|(BT)|(BO)|(BQ)|(BA)|(BW)|(BV)|(BR)|(BN)|(BG)|(BF)|(BI)|(KH)|(CM)|(CA)|(CV)|(CF)|(TD)|(CL)|(CN)|(CX)|(CC)|(CO)|(KM)|(CG)|(CD)|(CK)|(CR)|(CI)|(HR)|(CU)|(CW)|(CY)|(CZ)|(DK)|(DJ)|(DM)|(DO)|(EC)|(EG)|(SV)|(GQ)|(ER)|(EE)|(ET)|(FO)|(FJ)|(FI)|(FR)|(GF)|(PF)|(TF)|(GA)|(GM)|(GE)|(DE)|(GH)|(GR)|(GL)|(GD)|(GP)|(GU)|(GT)|(GG)|(GN)|(GW)|(GY)|(HT)|(HM)|(VA)|(HN)|(HK)|(HU)|(IS)|(IN)|(ID)|(IR)|(IQ)|(IE)|(IM)|(IL)|(IT)|(JM)|(JP)|(JE)|(JO)|(KZ)|(KE)|(KI)|(KP)|(KR)|(XK)|(KW)|(KG)|(LA)|(LV)|(LB)|(LS)|(LR)|(LY)|(LI)|(LT)|(LU)|(MO)|(MK)|(MG)|(MW)|(MY)|(MV)|(ML)|(MT)|(MH)|(MQ)|(MR)|(MU)|(YT)|(MX)|(FM)|(MD)|(MC)|(MN)|(ME)|(MA)|(MZ)|(MM)|(NA)|(NR)|(NP)|(NL)|(NC)|(NZ)|(NI)|(NE)|(NG)|(NU)|(NF)|(MP)|(NO)|(OM)|(PK)|(PW)|(PS)|(PA)|(PG)|(PY)|(PE)|(PH)|(PL)|(PT)|(PR)|(QA)|(RE)|(RO)|(RU)|(RW)|(BL)|(KN)|(LC)|(MF)|(PM)|(VC)|(WS)|(SM)|(ST)|(SA)|(SN)|(RS)|(SC)|(SL)|(SG)|(SX)|(SK)|(SI)|(SB)|(SO)|(ZA)|(ES)|(LK)|(SD)|(SR)|(SJ)|(SZ)|(SE)|(CH)|(SY)|(TW)|(TJ)|(TZ)|(TH)|(TL)|(TG)|(TK)|(TO)|(TT)|(TN)|(TR)|(TM)|(TV)|(UG)|(UA)|(AE)|(GB)|(AI)|(BM)|(IO)|(VG)|(KY)|(FK)|(GI)|(MS)|(PN)|(SH)|(GS)|(TC)|(US)|(UM)|(UY)|(UZ)|(VU)|(VE)|(VN)|(VI)|(WF)|(EH)|(YE)|(ZM)|(ZW)|(SS)|(XV)|(XL)|(XT))..$")

Every Solvency UK rule on IR.06.02

Checks like this one, run at the point of submission, are the first step to real-time supervision. Line4 builds SupTech software for financial regulators that runs checks like these as each return arrives.