ALHASSAN v. SOCIAL SECURITY BANK LTD. Practice and procedure—Debt—Action for—Judgment for debt—Effect of—Bank granting customer loan to pay for vehicles—Agreement for bank either to take judgment to recover debt or suing for order to sell vehicles to repay debt on default—Bank suing for amount owed plus interest—Whether right for order to sell vehicles forfeited—When bank having right of attachment of vehicle in execution of judgment.