20.  Section 53 of the principal Act is amended by deleting the words “of a Commodity Futures Exchange, of a clearing house, of a commodity broker, of a commodity futures broker, of a commodity trading adviser, of a commodity futures trading adviser, of a commodity pool operator or of a commodity futures pool operator” in the 2nd to 5th lines and substituting the words “of a clearing house, of a commodity broker, of a commodity trading adviser or of a commodity pool operator”.