In this Chapter, unless the context otherwise requires,

(86d) "processing and clearing house" means any person including the clearing corporation authorised or assigned by a recognised stock exchange, recognised association or a registered association to perform the duties and functions of a clearing house in relation to,-

(i) the periodical settlement of contracts for, or relating to, the sale or purchase of securities, goods or forward contracts and differences thereunder;

(ii) the delivery of, and payment for, securities, goods or forward contracts;

(iii) any other matter incidental to, or connected with, securities, goods and forward contracts;