Section 2416.307 - Contract clauses(a) The contracting officer shall insert the clause at 2452.216-79, Estimated Cost (No Fee), in all cost-reimbursement (no fee) type solicitations and contracts.(b) The contracting officer shall insert the clause at 2452.216-80, Estimated Cost and Fixed-Fee, in all cost-plus-fixed fee type solicitations and contracts. 77 FR 73527 , Dec. 10, 2012