The Statutory Maternity Pay (General) Regulations 1986

[F1Working for not more than 10 days in the Maternity Pay Period

9A.  In a case where a woman does any work under a contract of service with her employer on any day, but for not more than 10 days (whether consecutive or not), during her maternity pay period, statutory maternity pay shall continue to be payable to the employee by the employer.]