A tagging device follows a prescribed method of attaching an identification tag to the twine of a bale as it is formed. The tagging device is sequenced to insert a clip-type tag on top or end of the bale. The tag can alternatively be numbered in a consecutive series, printed with a bar code or QRC code, have an RFID inlay applied to its surface with a index number that relates to information about the bale or has information about the bale written to the tag.