Section
17, R.S. § 3745, provided that an affidavit be affixed to the return of contract required by section
16 of this title.
Section
18, R.S. § 3746, provided punishment for failure to make returns of contracts as required by sections
16 and
17 of this title.
Section
19, R.S. § 3747, imposed duty on Secretaries of War, Navy, and Interior to furnish officers with letters of instruction relating to their duties under sections
17 and
18, contract forms, and affidavits, to insure uniformity.