. If you have sufficient privileges, you will be able to click on the *New Match Set*. If you are unable to do so, check that you have the ADMIN_IMPORT_MATCH_SET permission.
. Give your new set a descriptive name, an owning library, and a match set type of *authority.*
. Click on the blue hyperlinked name of the match set you just created to add criteria.
-. You can match against MARC tag/subfield entries, against a record's normalized heading + thesaurus.
+. You can match against MARC tag/subfield entries or against a record's normalized heading.
+
+[NOTE]
+=================
+Evergreen's database stores normalized authority headings in a format that includes the thesaurus. This way, record match sets will not match terms from other thesauri, even if the term is very similar.
+=================
[TIP]
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