(a) You must operate and maintain a BIG-funded facility for its authorized purpose for its useful life. See Sec. Sec. 86.3, 86.43(f), and 86.74.
(b) Catastrophic events may shorten the useful life of a BIG-funded facility. If it is not feasible or is cost-prohibitive to repair or replace the BIG-funded facility, you may ask to revise the grant to reduce the useful-life obligation.
(c) You are responsible for the costs of the operation and maintenance of the BIG-funded facility for its useful life, except as allowed at Sec. 86.14(b).