voluntary

The US and Israel have said it would involve "voluntary" emigration.

“The terms and conditions are completely transparent and voluntary. No claimants or their lawyers are required to participate until and unless they are satisfied with the compensation offer.”

The union said more than 250 positions at the university have already been lost this year through voluntary redundancies and a further 13 could be at risk through compulsory redundancies.

They include having a "serious and incurable illness", making a "voluntary request that is not the result of external pressure" and be in an "advanced state of irreversible decline in capability".

It is possible to make voluntary payments to boost your contribution history.