Modification of key concepts
15Key concepts may be modified by regulations
(1)The Scottish Ministers may by regulations make other provision concerning—
(a)who is a chargeable passenger,
(b)who is a non-chargeable passenger,
(c)which aircraft are chargeable aircraft,
(d)which aircraft are non-chargeable aircraft.
(2)Regulations under this section—
(a)may add, change or remove—
(i)any exemption from being a chargeable passenger or chargeable aircraft, and
(ii)any provision that defines or otherwise explains a term or expression, and
(b)may modify this Act.