Employment Offer Letter Instructions. Instructions for completing the offer letter: This letter is for P14 wage appointments.In Virginia, offer letters are usually enough. Learn what to include in a job offer letter and use our ready made template. Follow these step-by-step instructions to create job-offer letters that reduce legal risks. Links to sample letters are included. Courtesy dictates that you acknowledge a written job offer, even if you are not ready to accept or decline it. Take note of the details of the offer. It is based on federal and Virginia law. Local law may impose different or additional requirements and should be considered with this offer letter.