BCP 002 - AMWA-TV/nmos GitHub Wiki
AMWA BCP-002 is a collection of best practice recommendations relating to the grouping of NMOS resources.
BCP-002-01 references the use of the existing 'tags' resource in IS-04 in order to achieve 'natural grouping' of Senders and Receivers.
From the main page for this Specification you can access the Best Current Practice document, and the GitHub repository for the Specification.
The full list of NMOS Specifications is here.