Check if Product $1.00 / 1,000 calls

Check the format of a Spanish Deposito Legal (legal deposit) code.

What this tool does

Validates the classic OFL shape 'AS 229-1997' / 'M-1234-2020' (1-2 province letters, 1-7 serial, 4-digit year) and the modern 'M 12345678' assignment. Format-only check: it does not query the BNE/OFL registers.

Input data

Parameter Required Example Description
deposit_legal Yes AS 229-1997 Legal deposit code to validate.

Output data

Field Description
result Whether the format is valid.