consider new or renewal applications for registration of pharmaceutical products or substances, and issue registration certificates subject to any conditions it thinks fit to impose;
(b)
deregister a pharmaceutical product or substance, suspend the registration of a pharmaceutical product or substance for a specified period, issue warning letter(s) to the holder of a registration certificate or vary a condition of the registration of pharmaceutical products or substances; and
(c)
consider applications for approval to change any of the registrable particulars of a pharmaceutical product or substance.