State the documents whose registration is compulsory under Registration Act, 1908.

The following documents require compulsory registration under the Registration Act, 1908: Instruments of gift of immovable property. Other non-testamentary instruments (other than instruments of gift of immovable property) which purport or operate to create, declare, assign, limit or extinguish, whether in present or in future, any right, title of interest whether vested or contingent, of the value of one hundred rupees and upwards, to or in immovable property situated in a district in which this Act is in force. Non-testamentary instruments which acknowledge the receipt or payment of any consideration on account of the creation, declaration, assignment, limitation, or extinction of any such right, title or interest. leases of immovable property from year to year, or for any term exceeding one year, or reserving a yearly rent; non-testamentary instruments transferring or assigning any decree or order of a court or any award when such decree or order or award purports or operates to create, declare, assign, limit or extinguish, whether in present or in future, any right, title or interest, whether vested or contingent, of the value of one hundred rupees and upwards, to or in immovable property.