The job title and a brief description of primary responsibilities. Specific enough to confirm what was discussed in the hiring process. Broad enough not to restrict ordinary role evolution. The offer letter’s role description should not be more specific than the employment agreement’s — or the offer letter becomes the more restrictive document.

A specific start date, with language making it contingent on satisfactory completion of the conditions in the contingency clause. An offer letter that commits to a start date unconditionally creates a damages exposure if the employer needs to adjust the start date before the candidate has actually started.

Base salary or hourly rate, pay frequency, and any bonus or commission structure with a clear statement that bonuses are discretionary unless otherwise agreed. For New York employees, the required Wage Theft Prevention Act disclosures must be included or provided as an attachment. For California employees, the Labor Code Section 2810.5 wage notice must be provided at or before the start of employment. Several other states have enacted similar requirements.

The single most legally important element in any offer letter. The statement should explicitly confirm that employment is at will — terminable by either party at any time, for any lawful reason, with or without notice — and that the offer letter does not create a contract of employment for any specific duration. This statement must be drafted to withstand implied contract challenges in the applicable state.

The offer should be explicitly contingent on satisfactory completion of a background check, verification of references, and confirmation of the candidate’s legal right to work in the United States. Without a contingency clause, an accepted offer is unconditional — and withdrawing it for any reason after acceptance creates potential claims for breach of contract or promissory estoppel in states that recognize these theories.

Health insurance, PTO, retirement plan, and other benefits referenced by summary with a statement that the full terms are governed by the applicable benefit plan documents and employee handbook. Describing specific benefits in detail in the offer letter creates contractual commitments that may be difficult to modify if benefit terms change.

A defined window for the candidate to accept — typically three to five business days — and instructions for signing and returning the letter. An offer without an expiration date may remain open indefinitely under some state contract law theories. The acceptance instructions should specify that only the signed written acceptance is valid, not verbal confirmation.