In these rules, unless the context otherwise requires,--
(a) "Act" means The Tamil Nadu Town and Country Planning Act, 1971 (Tamil Nadu Act 35 of 1972);
(b) "banned area" means the acquifier recharge area banned for any development, which is bounded by the Chennai city limit in the north, the Chennai Metropolitan Area limit in the south Buckhingham Canal in the west and the sea shore in the east excluding the plots in approved layouts.
(c) "Chennai Metropolitan Area" means the Chennai Metropolitan /Planning area referred to in clause (23-a) of Section 2 of the Act;
(d) "competent authority" means The Chennai Metropolitan Development Authority or a local authority concerned to whom the Chennai Metropolitan Development Authority has delegated the powers for issue of Planning Permission;
(e) "current rate" means the rate of charge or fee prevailing on the date of issue of permission ;
(f) "development' means carrying out of any of the works or change of use of land defined in clause section 2 of the Act;
(g) "Development Control Rules" shall means the Development Control Rules for the Chennai Metropolitan area forming part of the Master Plan for the Chennai Metropolitan Area;
(h) "floor space index" means the ratio defined in rule 30 of the Development Control Rules;
(i) "group development" means the building defined in rule 19(b) II of the Development Control Rules;
1[ii) "lay-out" means division of land into plots exceeding eight in numbers;]
(j) "local authority" means the Municipal Corporation of Chennai, Municipality, Township, Town Panchayat, Panchayat Union or Village Panchayat within the Chennai Metropolitan Area;
(k) "multi-storeyed balding" means the building defined in rule 17(a) of the Development Rules;
1[(kk) "Ordinary building" means a residential of commercial building which does not fall within the definition of Special building, Group development or multi-storeyed building;]
(1) "parking space" means an area covered or open, sufficient in size to park vehicle together with another way connecting the parking lot with road or street and permitting ingress or egress of the vehicle defined in rule 20 of the Development Control Rules;
(m) "regularisation fee" means a fee for exempting the development of any land or building or class of lands or buildings referred to in section 113 A of the Act;
(n) "section" means a section in the Act;
(o) "setback" means open space across front or sides or rear of a plot between the building and street alighment or boundary of the plot, as the case may be;
(p) "special building" means the building defined in rule 19(b) (1) of the Development Control Rules ;
1[(pp) "Sub-division" means division of land into plots not exceeding eight in numbers;]
(q) "Zoning regulation" means the land use zoning regulation stated in the Development Control Rules.
https://www.manupatrafast.com/pers/viewdoctoc.aspx?sPath=Bare%20Acts%20and%20Rules/State/tamil%20nadu/Rules/tamil%20nadu/tamil%20nadu%20town%20and%20country%20planning%20act%201971/apascolrefechmearrul1999/ApAsColReFeChMeArRul1999.htm&col=8Vmp9ozFMb/2ISz1SdixCIRVngsjs/j1lxFukHhUlVjtLjdB0bd4mmFTJWUx/aBSKBdGFQIME6VoesAFaCGBewHrWR8ddcNQuL7JwN7hYU7qHizMrFQj4LFUvb7Bkchar(43)6o706GyNkh4BCUcuVcjmbGhejF08ykNubEvKW4zqo890cktJ88vxBo32cc1YJmu9Dc/5IUlIm3BdNjSABchar(43)2R9TRHZChuWg9X1a6Zdqtl8E2/Y=#ch1f1 https://www.manupatrafast.com/pers/viewdoctoc.aspx?sPath=Bare%20Acts%20and%20Rules/State/tamil%20nadu/Rules/tamil%20nadu/tamil%20nadu%20town%20and%20country%20planning%20act%201971/apascolrefechmearrul1999/ApAsColReFeChMeArRul1999.htm&col=8Vmp9ozFMb/2ISz1SdixCIRVngsjs/j1lxFukHhUlVjtLjdB0bd4mmFTJWUx/aBSKBdGFQIME6VoesAFaCGBewHrWR8ddcNQuL7JwN7hYU7qHizMrFQj4LFUvb7Bkchar(43)6o706GyNkh4BCUcuVcjmbGhejF08ykNubEvKW4zqo890cktJ88vxBo32cc1YJmu9Dc/5IUlIm3BdNjSABchar(43)2R9TRHZChuWg9X1a6Zdqtl8E2/Y=#ch1f1 https://www.manupatrafast.com/pers/viewdoctoc.aspx?sPath=Bare%20Acts%20and%20Rules/State/tamil%20nadu/Rules/tamil%20nadu/tamil%20nadu%20town%20and%20country%20planning%20act%201971/apascolrefechmearrul1999/ApAsColReFeChMeArRul1999.htm&col=8Vmp9ozFMb/2ISz1SdixCIRVngsjs/j1lxFukHhUlVjtLjdB0bd4mmFTJWUx/aBSKBdGFQIME6VoesAFaCGBewHrWR8ddcNQuL7JwN7hYU7qHizMrFQj4LFUvb7Bkchar(43)6o706GyNkh4BCUcuVcjmbGhejF08ykNubEvKW4zqo890cktJ88vxBo32cc1YJmu9Dc/5IUlIm3BdNjSABchar(43)2R9TRHZChuWg9X1a6Zdqtl8E2/Y=#ch1f1 1[(r) other terms used in these rules unless the context otherwise requires, shall have the meaning as defined section 2 of the Act and in the Development Control Rules".