Hello MJP_CCC.

Thanks for posting to the Seller Forums!

Yes, the Frozen merchandise is restricted to approved sellers per Amazon policy.

Seller support doesn’t have more details about the specific restriction of this item, some products may be restricted per Amazon business decision or manufacturer request.

At this moment we have no current plan to lift these restrictions, but if we do, we will do our best to notify sellers that the item may be listed.

Please note that as per the participation agreement Amazon can limit the listing of the products, this is in the section S-7 Control of Site:

https://sellercentral.amazon.com/gp/help/help-page.html/ref=ag_1791_cont_scsearch?ie=UTF8&itemID=1791

-Susan