; and (2) by adding at the end the following: (17) IECC The term IECC means the International Energy Conservation Code as published by the International Code Council. (18) ASHRAE standard 90.1 The term ASHRAE Standard 90.1 means the American Society of Heating, Refrigerating and Air Conditioning Engineers ANSI/ASHRAE/IESNA Standard 90.1 Energy Standard for Buildings Except Low-Rise Residential Buildings. (19) Cost-effective The term cost-effective means having a simple payback of 10 years or less. (20) Indian tribe The term Indian tribe has the meaning given the term in section 4 of the Native American Housing Assistance and Self-Determination Act of 1996 ( 25 U.S.C. 4103 ). (21) Simple payback The term simple payback means the time in years that is required for energy savings to exceed the incremental first cost of a new requirement or code. (22) Technically feasible The term technically feasible means capable of being achieved, based on widely available appliances, equipment, technologies, materials, and construction practices. . (b) State building energy efficiency codes Section 304 of the Energy Conservation and Production Act ( 42 U.S.C. 6833 ) is amended to read as follows: 304. Updating State building energy efficiency codes (a) In general The Secretary shall provide technical assistance, as described in subsection (e), for the purposes of— (1) implementation of building energy codes by States, Indian tribes, and, as appropriate, by local governments, that are technically feasible and cost-effective