Section 2(1)(a) in Tamil Nadu Laws (Special Provisions) No. 2 Act, 2010
(a)"building rules, regulations and bye-laws" means rules, regulations and bye-laws made under the Chennai City Municipal Corporation Act, 1919, (Tamil Nadu Act IV of 1919) the Tamil Nadu District Municipalities Act, 1920 (Tamil Nadu Act V of 1920) and the Tamil Nadu Panchayats Act, 1994 (Tamil Nadu Act 21 of 1994) as the case may be, relating to buildings;