The following changes in requirements are being proposed:
1. Proposed Trinational Standard for Electrical Metallic Tubing - Steel, UL 797, Ninth Edition, which includes: (a) The addition of Mexican requirements, (b) The updating of outside references in Annex A, (c) The correction of Figure 1 to match the tolerances noted in clause 5.4.3, (d) Clarification of manufacturer's identification marking in clause 7.1, and (e) New Annex E for alternative national markings.