Where -

(a) an employee to whom Regulation 3 applies changes his or her employment during the period of 12 months before the making of these Regulations, and

(b) the period of parental leave to which he or she is entitled in the new employment would have been longer if the change of employment had not occurred,

then, for the purposes of subsections (4) and (8) of section 6 of the Principal Act, the periods of employment in the new employment and the previous employment or employments -

(i) shall be taken into account for the purpose of calculating entitlement to parental leave under Regulation 3, and

(ii) shall be regarded as one continuous period of employment.