Britain’s new Labour government unveiled Thursday a slew of new rights for workers, including more generous rules for sick pay and parental leave and major restrictions on certain precarious employment practices such as zero-hour contracts and fire and rehire — a move described by ministers as the biggest overhaul of workers’ rights for a generation.

The Employment Rights Bill was published around 100 days after Labour took power for the first time in 14 years following its crushing victory over the Conservative Party in the general election.

The 28 measures have been broadly welcomed by unions and lobby groups representing businesses, though one described it as “clumsy, chaotic and poorly planned.”