7.—(1) No person shall acquire any explosives unless–
(a)he has a valid explosives certificate certifying him to be a fit person to acquire explosives; and
(b)he acquires no more explosives than any quantity referred to in the explosives certificate; and
(c)where the explosives certificate specifies the description of explosives which he is a fit person to acquire, he acquires only explosives of that description; and
(d)where the explosives certificate specifies purposes for which he is a fit person to acquire explosives, he acquires them only for those purposes.
(2) No person shall keep any explosives unless he–
(a)has a valid explosives certificate certifying him to be a fit person to keep explosives; and
(b)keeps no more explosives than the quantity referred to in the explosives certificate; and
(c)where the explosives certificate specifies the description of explosives which he is a fit person to keep, keeps only explosives of that description; and
(d)keeps them at any place specified in the explosives certificate.