CARTID: Transmission of a scanned identity document
DEMMAT: Social security number request for an insured individual
MATRET: Reports unprocessable records in the DEMMAT file
MATASS: Communication of the insured individual's social security number
DEMUTI: Request for a user company registration number
UTIRET: Reports unprocessable records in the DEMUTI.dta file
MATUTI: Communication of user company registration numbers by the CCSS
DECINT: Declaration of affiliation (declaration of entry and/or exit form) for temporary work agencies
INTRET: Reports unprocessable records in the DECINT.dta file
