IV.1.2 The Precedency Enabling Act of 7543 (18 ACG 1)

[That] The Lord Great Steward of Gondor and Arnor be and is hereby authorized to issue from time to time binding Tables of Precedency for H.A.M. Realms, and may solicit the advice of the Earl Marshal, the Lord Great Chamberlain, and College of Arms in doing so.