Customarily, in the US, it is three days. When accepting a job offer email with questions, outline your areas of concern and provide a timeline for your actions.Here's an example: Dear Ms. Jones,. If you do not see an Apply tab on the job posting, this job posting is not accepting online applications. You'll need to formally accept your offer. This guide describes how to apply for jobs using the Career Page web site. The process consists of the following steps: What could my career look like? Responding promptly to an employment proposition with the acceptance email shows your respect toward the hiring organization. Official website of the U.S. Social Security Administration.