It is the purpose of this part to provide an official statement of the views of the Department of Labor with respect to the application and meaning of those provisions of the Fair Labor Standards Act, hereinafter referred to as the Act, which govern rights and obligations of employees and employers in the various enterprises in which retail sales of goods or services are made. The application of the Act to employment in such enterprises was greatly broadened by amendments effective September 3, 1961. The Act's application was extended to employment in additional retail and service enterprises by the Fair Labor Standards Amendments of 1966, effective February 1, 1967. Under the amended Act, there are many employees employed by retail or service establishments and in enterprises having such establishments engaged in the retail selling of goods or services who must be employed in compliance with its provisions. It is an objective of this part to make available in one place, for the guidance of those who may be concerned with the provisions of the law, the official interpretations of these provisions by which the Department of Labor will be guided in carrying out its responsibilities under the Act.