Actually where I am, it’s a government enforced sponsorship, so both sides need to do things correctly.
A first year apprentice has to be paid 60% of the lowest paid journeyman, and if you don’t go to school every 24 months they kick you out. Last years get 90%.
Company has to hire you back on after completing the school stint, they need to fill out your blue book before firing you, so the next company can continue your training.
We also know loosely about other countries regulations, since we are certified semi internationally with our red seal program.