Acting swiftly in declining a job offer ideally within 24 to 48 hours of receiving it is crucial. I am about to turn down an offer that I have signed and accepted.I don't want to burn bridges. If you are wondering how to go about this issue without burning bridges, we have some tips. In this article, we will guide you through the process of writing an effective acceptance letter for a job offer. Declining an offer because you got another one doesn't burn bridges. This sort of thing burns bridges: You call that an offer? Emailed Bids will not be accepted.