Either of a payment order, mail advice or debit advice must be authenticated with tested key or the authorized signatures of the remitting bank. It instructs the paying bank to pay a certain sum of money to the beneficiary. Upon receipt of the payment order, the paying bank verifies the tested key or the authorized signature, notifies the beneficiary, pays to him and claims reimbursement from the remitting bank. In practice, the remitting bank credits the account for the paying bank in the remitting bank. 3. Demand Draft(D/D) Draft demand is often used when the customer wants to transfer the funds to his beneficiary by himself. The remitter will make a written request of issuance to the remitting bank. Then the remitting bank debits the remitter‟s account, issues a bank draft and forwards it to the remitter who may send or carry it abroad to the payee. Upon receipt of the draft, the payee can either present it for payment to the drawee‟s bank or sell it to his own bank crediting his account. The drawee‟s bank verifies the signature, pays the draft and claims back the amount paid in accordance with its agency arrangement with the remitting bank.