The Washington state energy office is empowered in RCW 43.21F.060(2) to receive funds "by means of contracts, grants, awards, payments for services and other devices." "Other devices" is defined as cash, negotiable instruments (e.g., checks, promissory notes), purchase orders, money orders, letters of credit, requests for advance or reimbursement, valid credit cards and charge cards issued by a bank or other financial institutions, and documented "in-kind" services.