Section 18

The following documents shall not be required to be registered, namely:— (a) any document which is exempted from registration under any other law for the time being in force; (b) any document which is required to be registered under any other law for the time being in force, but which has not been registered within the time prescribed by that law; (c) any document which is required to be registered under any other law for the time being in force, but which has been registered under that law; (d) any document which is required to be registered under any other law for the time being in force, but which has been registered under that law, and which has been subsequently cancelled or annulled; (e) any document which is required to be registered under any other law for the time being in force, but which has been registered under that law, and which has been subsequently varied or modified; (f) any document which is required to be registered under any other law for the time being in force, but which has been registered under that law, and which has been subsequently discharged or satisfied; (g) any document which is required to be registered under any other law for the time being in force, but which has been registered under that law, and which has been subsequently cancelled or annulled; (h) any document which is required to be registered under any other law for the time being in force, but which has been registered under that law, and which has been subsequently varied or modified; (i) any document which is required to be registered under any other law for the time being in force, but which has been registered under that law, and which has been subsequently discharged or satisfied; (j) any document which is required to be registered under any other law for the time being in force, but which has been registered under that law, and which has been subsequently cancelled or annulled; (k) any document which is required to be registered under any other law for the time being in force, but which has been registered under that law, and which has been subsequently varied or modified; (l) any document which is required to be registered under any other law for the time being in force, but which has been registered under that law, and which has been subsequently discharged or satisfied; (m) any document which is required to be registered under any other law for the time being in force, but which has been registered under that law, and which has been subsequently cancelled or annulled; (n) any document which is required to be registered under any other law for the time being in force, but which has been registered under that law, and which has been subsequently varied or modified; (o) any document which is required to be registered under any other law for the time being in force, but which has been registered under that law, and which has been subsequently discharged or satisfied; (p) any document which is required to be registered under any other law for the time being in force, but which has been registered under that law, and which has been subsequently cancelled or annulled; (q) any document which is required to be registered under any other law for the time being in force, but which has been registered under that law, and which has been subsequently varied or modified; (r) any document which is required to be registered under any other law for the time being in force, but which has been registered under that law, and which has been subsequently discharged or satisfied; (s) any document which is required to be registered under any other law for the time being in force, but which has been registered under that law, and which has been subsequently cancelled or annulled; (t) any document which is required to be registered under any other law for the time being in force, but which has been registered under that law, and which has been subsequently varied or modified; (u) any document which is required to be registered under any other law for the time being in force, but which has been registered under that law, and which has been subsequently discharged or satisfied; (v) any document which is required to be registered under any other law for the time being in force, but which has been registered under that law, and which has been subsequently cancelled or annulled; (w) any document which is required to be registered under any other law for the time being in force, but which has been registered under that law, and which has been subsequently varied or modified; (x) any document which is required to be registered under any other law for the time being in force, but which has been registered under that law, and which has been subsequently discharged or satisfied; (y) any document which is required to be registered under any other law for the time being in force, but which has been registered under that law, and which has been subsequently cancelled or annulled; (z) any document which is required to be registered under any othe