(1) The Irish Land Commission shall not issue a warrant under section 28 of the Land Act, 1933 (No. 38 of 1933), in respect of any moneys which became due and payable to them more than six years before the date of the warrant.

(2) A warrant under section 28 of the Land Act, 1933, shall remain in force for a period of six years from the date thereof and no longer and shall not cease to be in force by reason of the fact that the person named therein as defaulter has died or otherwise ceased to be in occupation of the lands described therein during the said period.