870. If the contravention in respect of which a person is convicted of an offence under this Act is continued after the conviction, the person shall be guilty of a further offence on every day on which the contravention continues and for each such offence the person shall be liable—

(a) where the original contravention was a category 1 offence, whether prosecuted summarily or on indictment, on—

(i) conviction on indictment, to a fine not exceeding €5,000, or

(ii) summary conviction, to a class D fine,

(b) where the original contravention was a category 2 offence, whether prosecuted summarily or on indictment, on—

(i) conviction on indictment, to a fine not exceeding €1,000, or

(ii) summary conviction, to a fine not exceeding €100,

or

(c) where the original contravention was a category 3 offence or a category 4 offence, on summary conviction to a fine not exceeding €50.