Employment Offer Letter Instructions. In Virginia, offer letters are usually enough.Virginia's Payment of Wage Law is contained in §40.1-29 of the Code of Virginia. The employee would need a new offer letter with the revised pay rate to sign. Basically you're expected to accept an offer and join the work without having any written proof of appointment and confirmed agreement on your payout. If you're a new employer, read this guide for the six steps you should follow when hiring employees in Virginia. A job offer letter should be detailed with company and job information, including what the job entails, responsibilities and reporting structure. You must fill out the Part Time Temporary Appointment Authorization for Payment (P-14A) as well as the offer letter to the candidate. It is not illegal for them to ask in Virginia. Here are some lines to use if a potential employer asks that question.