SAD Guidelines - E50
Box 50: Principal
Enter the full name (person or company) and address of the principal, together with the identification number, if any, allocated by the competent authorities. Where appropriate, enter the full name (person or company) of the authorised representative signing on behalf of the principal.
Subject to specific provisions to be adopted with regard to the use of computerised systems, the original of the handwritten signature of the person concerned must be given on the copy which is to remain at the office of departure. Where the principal is a legal person, the signatory should add his capacity after his signature and full name.
For export operations, the declarant or his representative may enter the name and address of a person established in the district of the office of exit to whom copy 3 of the declaration endorsed by the said office may be given.