17(1)A person served with a stop notice who does not comply with it commits an offence.
(2)A person who commits an offence under sub-paragraph (1) is liable—
(a)on summary conviction, to imprisonment for a term not exceeding 12 months or to a fine not exceeding the statutory maximum (or both),
(b)on conviction on indictment, to imprisonment for a term not exceeding 2 years or to a fine (or both).