In 1956, investigations into unitar

In 1956, investigations into unitary monopolies were separated from those into
restrictive practices operated by a group of firms, with the enactment of the Restrictive
Trade Practices Act. This Act, which outlawed the widespread custom of manufacturersjointly enforcing the retail prices at which their products could be sold, also required
firms to register any form of restrictive agreement that they were operating (e.g. concerning
prices, sales, production) with the Registrar of Restrictive Practices. It was the
latter’s responsibility to bring such agreements before the Restrictive Practices Court and
they were automatically deemed