D.C. Code § 1-204.74
All notes issued pursuant to this part may be sold at not less than par and accrued interest at private sale without previous advertising.
Dec. 24, 1973, 87 Stat. 806, Pub. L. 93-198, title IV, § 474
1973 Ed., § 47-250.
1981 Ed., § 47-330.