21.—(1) The Controller may as a condition of the issue of any pass under these Regulations, require such security as he may think necessary to be furnished by or on behalf of the holder of the pass, for compliance with the Act and any regulations made thereunder and with any condition imposed in respect of or any direction endorsed upon the pass.
(2) The security shall be given in such manner and form as the Controller may determine and may be by bond, guarantee, cash deposit or any other method, or by two or more different methods.
(3) Where a security bond is furnished under this regulation, the holder of the pass and his employer, agent, guarantor or sponsor, as the case may be, shall comply with the conditions specified in the security bond.