The second proviso as well as the third proviso, introduced by the Mysore Municipalities (Amendment) Act, 1966 are relevant for our purpose and they ire as follows "(2) Provided further that subject to the preceding proviso anything done or any action taken (including any appointment or delegation made, tax, fee or cess imposed, notification, order, instrument, or direction issued, rule, regulation, form, bye law or scheme framed, certificate obtained, permit or licence granted or registration effected) under the said laws shall be deemed to have been done or taken under the corresponding provisions of this Act and shall continue to be in force accordingly unless and until superseded by anything done or any action taken under this Act : (3) Provided further that notwithstanding anything contained in the preceding proviso where any tax, duty, fee or cess other than a duty on transfers of immovable properties has been imposed under the said laws at a rate higher than the maximum rate permissible under this Act.