When you create your notice, you will select on the Checkout page whether or not you want the ad to stay on our website after the expiry date has passed.
Automatically Remove Notices with Your NoticeConnect Account
If you have a NoticeConnect account, you can opt to have all your Notices to Creditors removed automatically from the website when they expire. Go to My Account, click Notices to Creditors from the side menu, and check the box that says "Automatically remove notices after the expiry date."