That section reads as under: "Pending suits for eviction relating to building brought under regulation for the first time In any suit for evic tion of a tenant from any building to which the old Act did not apply, pending on the date of commencement of this Act, where the tenant within one month from such date of com mencement or from the date of his knowledge of the pendency of the suit, whichever be later, deposits in the court before which the suit is pending, the entire amount of rent and damages for use and occupation (such damages for use and occupation being calculated at the same rate as rent) to gether with interest thereon at the rate of nine per cent per annum and the landlord 's full cost of the suit, no decree for eviction shall be passed except on any of the 190 grounds mentioned in the proviso to sub section (1) or in clauses (b) to (g) of sub section (2) of Section 20, and parties shall be entitled to make necessary amendment in their pleadings and to adduce additional evidence where necessary.