There are three main provisions within this Act:-
a) It provides for the making of building regulations dealing with issues such as building standards, workmanship, fire safety, conservation of fuel and energy and access for those with disabilities.
b) It provides for the making of building control regulations, which involve commencement notices, fire safety certificates, disability access certificates and fees, and includes administration by the building control authorities.
c) It gives powers of enforcement and inspection to the building control authorities.
The Building Control Act 1990 can be found at Building Control Act, 1990 (irishstatutebook.ie)
The Law Reform Commission maintain an unofficial and consolidated version of the Building Control Act 1990 which includes all revisions and can be found at Law Reform Commission