(1)  A holder of a permit may apply to the Director –

(a) for the variation or revocation of a condition specified on the permit under section 56F(6) ; or

(b) for the variation of a term specified on the permit under section 56E ; or

(c) for the revocation of a term specified on the permit under section 56E(2) or (3) ; or

(d) for a term to be specified on the permit under section 56E(2) or (3) .

(2)  The Director, by notice in writing to the holder of a permit, may –

(a) vary or revoke a condition specified on the permit in accordance with section 56F(6) ; or

(b) vary a term specified on the permit under section 56E ; or

(c) revoke a term specified on the permit under section 56E(2) or (3) ; or

(d) specify a term on the permit under section 56E(2) or (3) .

(3)  The Director may, under subsection (2) , only vary, revoke or specify a term or condition if the Director is satisfied that it is in the interests of public health to do so.

(4)  The Director may, under subsection (2) , only vary a term, specified under section 56E(1) on a permit, so as to change the reference from one premises to another or so as to specify on the permit additional permitted premises.