51C.— (1) Where An Bord Pleanála makes an order in respect of a national road proposed by a road authority, the road authority shall—

(a) comply with, and

(b) notify the Authority of,

the modifications and conditions specified in the order.

(2) Where An Bord Pleanála makes an order in respect of a regional road or a local road proposed by a road authority, the road authority shall—

(a) comply with, and

(b) notify the Minister of,

the modifications and conditions specified in the order.

(3) Where An Bord Pleanála makes an order in respect of a national road proposed by the Authority, the Authority shall—

(a) comply with, and

(b) notify the Minister of,

the modifications and conditions specified in the order.

(4) A person that fails to comply with this section shall be guilty of an offence and shall be liable—

(a) on summary conviction, to a class A fine or to imprisonment for any term not exceeding 6 months or, at the discretion of the court, to both such fine and such imprisonment, or

(b) on conviction on indictment, to a fine not exceeding €500,000 or to imprisonment for a term not exceeding 3 years or, at the discretion of the court, to both such fine and such imprisonment.]