5. Persons who are, or who may become, accountable persons.
(a) Subject to paragraph (c), a taxable person who engages in the supply, within the State, of taxable goods or services shall be -
(i) an accountable person, and
(ii) accountable for and liable to pay the tax charged in respect of such supply.
(b) Subject to paragraph (c), in addition, the persons referred to in sections 9, 10, 12, 15, 17(1), 94(3), 108C, 109A and 91J(10) shall be accountable persons.
(c) A person not established in the State who supplies goods in the State only in the circumstances set out in section 10, or supplies a service in the State only in the circumstances set out in section 16(3), shall not be an accountable person.