Answers: Either a lawyer or the executer (sp?)of the estate should notify you. I don't know if here is a time limit or what that may be.
solicitor or executor of the will, when the will become active (when he character who's will it is passes) The executor. If it's a fixed bequest and there's plenty of money to cover it, as soon as possible after probate. If it's a residual bequest, as soon as possible after the estate has be settled.
Executor.
NB. There are multiple scams on the trellis, typically seen via unsolicited eMails, surrounded by which you are 'informed' by a 'solicitor' (or, more typically, a 'Lawyer') that some rich relative (you have never hear of) has died contained by Nairobi and left you $1 million and adjectives you have to do is dispatch them (the Nigerian con-merchant) lb10,000 in 'death duties' (ha ha) ...
The executor or those acting for him, At the most up-to-date upon distribution. This is a legal request for information and not an insurance question but I would've thought the executor.