There is no "normal" time limit for the validity of a written proposal, as it can vary depending on the industry, the nature of the project, and the policies of the company submitting the proposal. However, it is common for proposals to include a validity period to indicate how long the quoted price and terms are guaranteed.Typical validity periods for written proposals can range from: 14 days 30 days 60 days 90 daysSome proposals may also state that the prices are subject to change without notice, which means the validity period may not be explicitly specified.It is important to note that the validity period only refers to the pricing and terms outlined in the proposal. If the scope of the project changes or additional requirements are identified, the pricing may be subject to revision.To ensure clarity, it is advisable to explicitly state the validity period in the written proposal. This will help prevent any misunderstandings or disputes regarding the validity of the proposal. Flag for review