The GPC is the preferred payment method for CUTS contracts pursuant to FAR 13.301(c)(3) and FAR 32.1108. Energy and services under this authorization are defined as water, steam, sewage, electricity, natural gas and propane gas, heating oil, cable television, and cell and landline telecommunications expenses. Contracting officers or contract payment CHs appointed in JAM are authorized to make contract payments. See FAR 32.1108.