Unable to get coupon to work on gift certificate for testing purposes

We're using v1.5.6b with a compatible version of PHP. We haven't run into issues with gift certificates in the past 10 years. After running into an issue where a gift certificate was released but not added to the database, I need to test the process of purchasing a gift certificate. I have created a coupon with these settings:

Coupon Name :: Testing Coupon
Coupon Amount :: 100.0000% Per Order
Start Date :: 12/23/2023
End Date :: 12/24/2024
Uses per Coupon :: Unlimited
Uses per Customer :: Unlimited
Valid Product List :: --none--
Valid Categories List :: --none--
Coupon Minimum Order :: $0.00
Coupon Minimum calculated from: :: All Products
Date Created :: 12/24/2023
Date Modified :: 12/24/2023

Coupon Zone Restriction: :: 0

Customer previous Orders less than: :: Unlimited

Coupon valid for sales: :: Coupon IS allowed for Products on Sale

Every time I try to check out with a gift certificate, it says it is not valid for any product currently in my cart. I specifically have no restrictions on the coupon and on the gift certificates themselves I see no where in the product info that it is not viable for a coupon. How can I make this work, or more importantly; how can I test purchase of a gift certificate so I can then follow it through the DB and make sure records are being created properly throughout the release process?

Oops, it looks like the coupon was properly released to their account. I just have no idea where to tell them to go to then send that money to who they want. Where in their account do they go in a 1.5.6b site to send those funds to another account?

I found it, I didn't realize that gift certificate account section didn't appear unless you yourself had gift certificate money applied to your own account. I didn't know what to tell the customer until I realized this. Feel free to delete this thread, as it ended up having nothing to do with my original question.