- Existing customers: Must provide documentary evidence of the source of the funds being invested. Cheques being deposited must originate from the investors bank account and be made payable to the Gibraltar Savings Bank.
- Potential customers: Must provide proof of identity (either certified true copies of the original identity card or principal passport pages), proof of address and documentary evidence of the source of the funds being invested. Cheques being deposited must originate from the investors bank account and be made payable to the Gibraltar Savings Bank.