CSA also tests finished label constructions for end product suitability and NFi has a number of certified constructions. To control the use of their CSA (actual logo) registered trademark the label manufacturer must add a unique identifier (for traceability) to the actual label. NFi’s identifier is a and must always be on the label when the CSA mark is and should also be printed on other labels requiring CSA approval.
Get more information at the CSA and UL web sites...