Criminal Law Act 1997
Entry and search of premises to effect an arrest.
6.—(1) For the purpose of arresting a person on foot of a warrant of arrest or an order of committal, a member of the Garda Síochána may enter (if need be, by use of reasonable force) and search any premises (including a dwelling) where the person is or where the member, with reasonable cause, suspects that person to be, and such warrant or order may be executed in accordance with section 5.
(2) For the purpose of arresting a person without a warrant for an arrestable offence a member of the Garda Síochána may enter (if need be, by use of reasonable force) and search any premises (including a dwelling) where that person is or where the member, with reasonable cause, suspects that person to be, and where the premises is a dwelling the member shall not, unless acting with the consent of an occupier of the dwelling or other person who appears to the member to be in charge of the dwelling, enter that dwelling unless—
(a) he or she or another such member has observed the person within or entering the dwelling, or
(b) he or she, with reasonable cause, suspects that before a warrant of arrest could be obtained the person will either abscond for the purpose of avoiding justice or will obstruct the course of justice, or
(c) he or she, with reasonable cause, suspects that before a warrant of arrest could be obtained the person would commit an arrestable offence, or
(d) the person ordinarily resides at that dwelling.
(3) Without prejudice to any express amendment or repeal made by this Act, this section shall not affect the operation of any enactment or rule of law relating to powers of search or powers of arrest.