The proposed rule amendments would: (1) expand modifications of CUPs by letter; (2) clarify the procedures and criteria for all CUP modifications (including letter modifications) and renewals; (3) revise and update permit limiting conditions and repeal outdated permit conditions; (4) condense the water use type categories; (5) revise and update the CUP application form; (6) adopt Water Use Record (EN-50) and Water Use Reporting (EN-51) forms; (7) define “domestic use”; (8) clarify and update the compliance report requirements for 20-year CUPs; (9) clarify the requirements for supplemental irrigation models and expand the types of such models allowed; (10) clarify permit transfer criteria; (11) clarify monitoring requirements for water withdrawal quantities; (12) reduce water use reporting requirements for certain small users if they annually submit an “Annual Statement of Continuing Use”; (13) clarify who must submit a water conservation plan as part of a CUP application; and (14) miscellaneous conforming changes. The proposed rule amendments would become effective on December 1, 2011.