Next enter the scheduled hours of work. I am aware of employment resources available (e.g.Explain that you accepted a job offer, that the acceptance was in writing, and say who sent you the offer. Download Pennsylvania Employment Acceptance Letter template, modify and send for signing using BoloForms Signature. Welcome to the University of Pennsylvania. We are pleased to have you on board and a part of the Penn community. The time horizon varies from company to company. There is no standard time frame from an offer to offer letter. This letter is my formal acceptance of the terms and conditions outlined in the job offer. Your "acceptance letter" is the deposit you make through your applicant portal after you receive their acceptance.