(a) Definitions
In this section:

(1) Administrator
The term "Administrator" means the Administrator of General Services.

(2) Cost-effective energy efficiency measure
The term "cost-effective energy efficiency measure" means any building product, material, equipment, or service, and the installing, implementing, or operating thereof, that provides energy savings in an amount that is not less than the cost of such installing, implementing, or operating.

(3) Cost-effective water efficiency measure
The term "cost-effective water efficiency measure" means any building product, material, equipment, or service, and the installing, implementing, or operating thereof, that provides water savings in an amount that is not less than the cost of such installing, implementing, or operating.

(b) Model provisions, policies, and best practices

(1) In general
Not later than 180 days after April 30, 2015, the Administrator, in consultation with the Secretary of Energy and after providing the public with an opportunity for notice and comment, shall develop model commercial leasing provisions and best practices in accordance with this subsection.

(2) Commercial leasing

(A) In general
The model commercial leasing provisions developed under this subsection shall, at a minimum, align the interests of building owners and tenants with regard to investments in cost-effective energy efficiency measures and cost-effective water efficiency measures to encourage building owners and tenants to collaborate to invest in such measures.

(B) Use of model provisions
The Administrator may use the model commercial leasing provisions developed under this subsection in any standard leasing document that designates a Federal agency (or other client of the Administrator) as a landlord or tenant.

(C) Publication
The Administrator shall periodically publish the model commercial leasing provisions developed under this subsection, along with explanatory materials, to encourage building owners and tenants in the private sector to use such provisions and materials.

(3) Realty services
The Administrator shall develop policies and practices to implement cost-effective energy efficiency measures and cost-effective water efficiency measures for the realty services provided by the Administrator to Federal agencies (or other clients of the Administrator), including periodic training of appropriate Federal employees and contractors on how to identify and evaluate those measures.

(4) State and local assistance
The Administrator, in consultation with the Secretary of Energy, shall make available model commercial leasing provisions and best practices developed under this subsection to State, county, and municipal governments for use in managing owned and leased building space in accordance with the goal of encouraging investment in all cost-effective energy efficiency measures and cost-effective water efficiency measures.