1 Professionally dispensed kits from a dentist's office designed to be used at home typically cost $100-$500, depending on the location and dentist. 2  Take-home whitening kits include custom-made trays and typically use a stronger bleaching agent than over-the-counter systems.
... NewsGroupQuestion wrote: How long is a UK cheque 'valid' i.e. how long can a person keep a cheque before presenting it to their bank and still have it honoured? Conventionally, six months.Some cheques have earlier expiries explicitly written on them.ow long is a UK Cheque 'valid'? I hope this is the right group to ask this question..... How long is a UK cheque 'valid' i.e. how long can a person keep a cheque. before presenting it to their bank and still have it honoured?
Confidence votes 196. Under CPA Rule A4, Section 21, a cheque is considered stale-dated after six months, unless it has been certified. Although it may be returned through the clearing for that reason, there is no obligation to do so, and the payorâs financial institution may still accept it as a valid payment item.ow long is a hsbc bank cheque valid for? An HSBC bank Cheque is valid for a period of about six months but some banks require a check be cashed within ninety days of the issue date or else the funds go forfeited.