According to the provided textbook context, the MSMED Act (Micro, Small and Medium Enterprises Development Act) was passed in 2006. The text clearly states: 'The MSMED Act, 2006 came into force w.e.f., October, 2006.' This Act was enacted to address concerns of micro, small and medium enterprises by providing them with a single legal framework covering definition, credit, marketing, and technology upgradation.