48 CFR 36.213-4: 36.213-4 Notice of award.

When a notice of award is issued, it shall be done in writing or electronically, shall contain information required by 14.408, and shall—

(a) Identify the invitation for bids;

(b) Identify the contractor's bid;

(c) State the award price;

(d) Advise the contractor that any required payment and performance bonds must be promptly executed and returned to the contracting officer;

(e) Specify the date of commencement of work, or advise that a notice to proceed will be issued.