Mozambique BI Validator
Online Mozambique BI validator. Verify format and check digits. Tests.
How is the Mozambique BI validated?
The Bilhete de Identidade (BI) is the national identity document in Mozambique. It contains 13 digits followed by a trailing check letter.
This tool generates and validates Mozambican BI numbers, calculating the Modulo 23 check letter over the numeric sequence.
Anatomy & Structure of Bilhete de Identidade (BI) — Mozambique
The Mozambican Identity Card consists of 13 characters (12 digits + 1 check letter):
| Position | Field | Length | Meaning & Rule | Example |
|---|---|---|---|---|
| 1 & 2 | Province Code | 2 digits | 01 to 11 representing Mozambique's 11 provinces | 05 |
| 3 to 12 | Sequential Registration Number | 10 digits | Unique registration sequence issued by DNIC | 0123456789 |
| 13 | Check Letter | 1 letter | Uppercase validation letter (A-Z) | A |
Official BI Validation (DNIC Mozambique)
Compliance rules for Mozambican BI:
13 characters: 12 digits (province 01 to 11) + 1 uppercase check letter
- 1. Verify exact length of 13 characters.
- 2. Validate province code in positions 1 & 2 (01 to 11).
- 3. Validate uppercase letter in 13th position.