90. (1) Nothing contained in this Act ¹[* * *] shall be deemed to require, or to have at any time required, the registration of any of the following documents or maps, namely:- (a) documents issued, received or attested by any officer engaged in making a settlement or revision of settlement of land-revenue, and which form part of the records of such settlement; or (b) documents and maps issued, received or authenticated by any officer engaged on behalf of Government in making or revising the survey of any land, and which form part of the record of such survey; or (c) documents which, under any law for the time being in force, are filed periodically in any revenue-office by patwaries or other officers charged with the preparation of village-records; or (d) sanads, inam title-deeds and other documents purporting to be or to evidence grants or assignments by Government of land or of any interest in land; or (e) [Omitted by section 3 and 2nd Schedule of the Bangladesh Laws (Revision And Declaration) Act, 1973 (Act No. VIII of 1973).] (2) All such documents and maps shall, for the purposes of sections 48 and 49, be deemed to have been and to be registered in accordance with the provisions of this Act.