or sick leave of the employee for any of the leave provided under this section, but nothing in this section shall require an employer to provide paid sick leave or paid medical leave in any situation in which the employer would not normally provide any such paid leave. Leave under this section may be taken intermittently or on a reduced leave schedule.

(d) If the necessity for leave under this section is foreseeable, the employee shall provide the employer with not less than seven days' notice before the date the leave is to begin. If the necessity for leave is not foreseeable, the employee shall provide such notice as is practicable.

(e) An employer may require that a request for leave under this section be supported by a certification issued at such time and in such manner as the attorney general may by regulation require.

(f) The attorney general shall enforce this section, and may obtain injunctive or declaratory relief for this purpose. Violation of this section shall be subject to the second paragraph of section 150 and to section 180.