An Act to make provision enabling an enforcement notice under section 19 of the National Minimum Wage Act 1998 to impose a requirement under subsection (2) of that section in relation to a person, whether or not a requirement under subsection (1) of that section is, or may be, imposed in relation to that or any other person; and to limit the pay reference periods in respect of which a requirement under subsection (2) of that section may be imposed.