Today I put in my two weeks notice at a small company whom I've appreciated being with. An employer cannot force an employee to work.Conceivably, if the 30 day notice period is part of a contract, the employer can claim breach of contract. You should have clearly told your new company that you have 3 months notice period before accepting their offer. Can an employer require a notice period in offer letter? Found a new employer, they are expecting me to start within 2 weeks of job acceptance. Your Rights as an Employee in the State of Utah. Utah is an 'at-will' employment state. Employment Offer Letter Instructions. The following tips will help you prepare simple and effective offer letters that work best for your company's operating style and structure.