This file contains requests for social security numbers, as sent by the 'DEMMAT' file, with the addition of a rejection code.
| code |
description | validity |
|---|---|---|
| 1 |
The corresponding CARTID.jpg identity document is missing | |
| 2 |
The corresponding CARTID.jpg identity document is unreadable/inadequate quality/must be in colour | |
| 3 |
The corresponding CARTID.jpg identity document is incomplete | |
| 4 |
The corresponding CARTID.jpg identity document has expired, please attach another identity document or a birth certificate |
|
| 10 | The address is missing/incorrect | |
| 12 | This record is already being processed by the CCSS | |
| 13 | The corresponding CARTID.jpg identity document does not conform | from 01.01.2023 |
| 14 | Residence permits, E/F cards and visas are not accepted, please attach another identity document |
from 01.01.2023 |
| 15 | The surname and/or first name given does not match the surname and/or first name on the identity document | from 01.01.2023 |
| 16 | The CARTID.jpg identity document must be in colour | from 01.07.2024 |
| 17 | Requests to create a social security number for nationals of countries outside the EU, EEA and Switzerland should be sent by the person concerned to the General Departement for Immigration (information on the procedure). | from 01.07.2024 |
| 18 | People living in Luxembourg must first register with the communal administration of their place of residence. | from 1 March 2025 |
The codes 5 to 9 and 11 are no longer used.
MATRET file specifications
- The file is an uncompressed, ASCII-coded text file;
- Fields are separated by a semicolon (;);
- Each record ends with a carriage-return (0D hex) and a line-feed (0A hex).
File name on receipt by SOFiE
MATRET.xxxx_yyyy_zzzz.dta
xxxx = employer registration number of the SECUline member
yyyy = SECUline number
zzzz = time stamp