HR professionals make up seven of the entries in this year's Timewise Power 50 - a list of the UK's most powerful part-time workers.
Updated to include information on British Airways plc v Pinaud, in which the Court of Appeal held that a part-time employee had been subjected to less favourable treatment in relation to days of availability to work.
In British Airways plc v Pinaud, the Court of Appeal held that a part-time worker's contract requiring her to be available for work 53.5% of the time that a full-time comparator was required to be available for work constituted less favourable treatment because she was paid only 50% of the full-time salary.
In Roddis v Sheffield Hallam University, the Employment Appeal Tribunal (EAT) held that a lecturer employed under a zero hours contract was employed under the same type of contract as a permanent full-time lecturer for the purposes of his claim of less favourable treatment under the Part-time Workers (Prevention of Less Favourable Treatment) Regulations 2000 (SI 2000/1551).
The Rail Delivery Group (RDG), a consortium of Britain's railway companies, has admitted that fares have failed to keep pace with how working arrangements have evolved - especially the rise in part-time and flexible employment.
Updated to include new rates of the national minimum wage, effective from 1 April 2018.
Updated to include information on the ECJ decision in The Sash Window Workshop, in which a worker was entitled to carry over paid annual leave where he had not been given the opportunity to take it.
Kirsti Laird is senior associate at Charles Russell Speechlys. She rounds up the latest rulings.
HR and legal information and guidance relating to part-time work.