5.—Sections 2, 3 and 4 do not apply to—

( a ) a fair and accurate report of proceedings in either House of the Oireachtas or a committee of the Oireachtas or of either such House or an official report or publication of the Oireachtas or either such House or such a committee, or

( b ) a fair and accurate report of proceedings publicly heard before a court, or a tribunal exercising functions or powers of a judicial nature, where the report is published contemporaneously with the proceedings or, if it is not reasonably practicable or would be unlawful to publish a report of them contemporaneously, as soon as publication is reasonably practicable and lawful.