Product enrollment question

It seems the mint changed the enrollment procedure.
Right now, when you do enrollment, it is just like buying a product, you have an order confirmation with quantity etc, but just not charged, with status "shipped".
My question is: I can still go to the enrollment page to change the quantity, when they ship the item, they ship new quantity or old quantity that is in the order?
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Comments
I believe that it depends upon when you change the quantity.
"If you would like to modify product enrollments or payment methods, please do so by 11:59 PM ET 2 days prior to the product scheduled release date for updates to be reflected on your next shipment."
Source: Sign In, Go to "My Product Enrollments"
Note - I do NOT know how the Mint would process a quantity increase on a "sold out" subscription (e.g., MN, the Proof ASE from West Point). That said, I do not believe that it would process successfully.
If you do make a change, you should receive a confirmation e-mail.
https://catalog.usmint.gov/faqs/products-and-coin-programs/
Edit: Corrected a typo.