No explosives must be discharged unless-
- under the direction and superintendence of the port captain or his authorised deputy whose orders must be implicitly obeyed;
- on production by the ship’s agent of the permit;
- on production of a certificate, on oath, of a duly qualified chemist, to the effect that the explosives have been shipped in good order and condition, packed and labelled in accordance with the regulations of the Republic of South Africa and are safe to be shipped through the tropics and handled in a warm climate; in the case of explosives of a nature requiring the application of the Abel Heat Test, the certificate shall state further that no ingredient, capable of masking such a test, is present in the explosives; and
- on production of the permit authorising the transfer of the explosives if the explosives are shipped from one port of the Republic to another.
