26.—An Chomhairle may by notice in writing served on any person who is an employer in a designated industrial activity, require the person—

(a) to furnish to An Chomhairle within a specified period such specified returns or other specified information,

(b) to keep and produce for examination on behalf of An Chomhairle such records of a specified kind,

as appear to An Chomhairle to be necessary for performing its functions.