Residential Tenancies Act 2004
Exception to requirements of sections 66 to 68.
69.—(1) Subject to subsection (2), the landlord or tenant may agree to a lesser period of notice being given than that required by a preceding provision of this Chapter and such lesser period of notice may be given accordingly.
(2) Such an agreement to a lesser period of notice being given may only be entered into at, or after, the time it is indicated to the tenant or landlord (as appropriate) by the other party that he or she intends to terminate the tenancy.
(3) For the avoidance of doubt, a term of a lease or tenancy agreement cannot constitute such an agreement.