Section 146(4)(a) in Tamil Nadu Co-operative Societies Rules, 1988
(a)The [Managing Director or the Chief Executive Officer] [Substituted for 'Managing Director' by SRO A-1(a)/ 2013 - G.O. Ms. No. 10, Co-operation, Food and Consumer Protection (Cjl), dated 31.1.2013, w.e.f 31.1.2013.] shall have power to operate the accounts of the society, to endorse and transfer promissory notes, Government and other securities held by the society and to sign, endorse and negotiate cheques and other negotiable instruments, bonds (except bonds for moneys borrowed), receipt and all accounts and other documents connected with the business of the said society for and on behalf of the said society.