Regulations under section 49D may—
make provision about notices to be given, evidence to be produced and other procedures to be followed by employees and employers;
make provision for the consequences of failure to give notices, to produce evidence or to comply with other procedural requirements;
make provision for the consequences of failure to act in accordance with a notice given by virtue of paragraph (a);
make special provision for cases where an employee has a right which corresponds to a right under section 49D and which arises under a contract of employment or otherwise;
make provision modifying the effect of Chapter 2 of Part 14 (calculation of a week's pay) in relation to an employee who is or has been absent from work during, or after, a protected period of pregnancy;
make provision applying, modifying or excluding an enactment, in such circumstances as may be specified and subject to any conditions specified, in relation to a person during, or after, a protected period of pregnancy;
make different provision for different cases or circumstances.