How to set form expiration date?

expire form on expiration date or post form

I understand that you want to disable the form on a specific date. If so, you may set an expiry date for the form from the form preferences.

Please refer to the guide below that can help you with this.

https://www.jotform.com/help/137-How-to-limit-submissions-in-a-form

Let us know if you are referring something different. We will be happy to assist.