By Ali Lyon Businesses face paying large fines from a newly formed agency if they are found to have breached Labour’s proposed workers’ rights laws. As Parliament returns this week, ministers are reportedly weighing up the practicalities of the far-reaching package that includes controversial reforms like a ban on “exploitative” zero hours contracts, granting day-one rights after probation, and a so-called “right to switch off”. According to The Times they are are currently weighing up how new Fair Work Agency (FWA), which is expected to be merger of already-existing watchdogs, will work in pr…