Field help (ORGNUMDCS) 

Specify the code corresponding to the identification number of the institution (Arrco, Agirc, or Prévoyance). This code contains a letter, "A" for Arrco and "C" for Agirc, followed by 3 numbers.

This field is used in the DUCS, the DADS-U and the DSN.

SEEINFO These codes are managed in the miscellaneous table 340 - Complementary scheme code.