#14: Removing Tags from Mattresses Being Sold (Not for Personal Use)
Those recognizable “Do Not Remove” tags cause confusion, but the rule applies mainly to retailers. Sellers must keep the labels intact to prove the materials meet health and safety standards. Consumers, once they’ve purchased the mattress, may remove the tag without consequences.

provided by constative.com
It simply protects buyers from mislabeled or unsanitary products.
