stick it in a mates accont and claim the interest !!!!!
drag ya feet and do give it back, id not worry as whats the worst they can do !!!!
66k is a worth 3 months inside imo
think of it as contract work, where else ya gonna earn 66k in 3 months unless ya mike rainbirds accountant
may im too dodgy but if that ever happened to me i would have withdrew it and then lost it on the way home