
1) Certain clothing tag 2) Certification mark 3) Clothing tag phrase 4) Source of local information 5) Symbol of organized labor 6) Tag on many products
Found on
https://www.crosswordclues.com/clue/union-label

A union label (sometimes called a union bug) is a label, mark or emblem which advertises that the employees who make a product or provide a service are represented by the labor union or group of unions whose label appears, in order to attract customers who prefer to buy union-made products. The term `union bug` is frequently used to describe a m.....
Found on
http://en.wikipedia.org/wiki/Union_label

a tag or stamped imprint on a product indicating that it has been made by union labor.
Found on
https://www.infoplease.com/dictionary/union-label
No exact match found.