CFR /  Title 31  /  Part 363  /  Sec. 363.146 Who may purchase a payroll zero-percent certificate of

Only an individual TreasuryDirect[supreg] account owner may purchase a payroll zero-percent certificate of indebtedness, only through his or her primary account, and only through the payroll savings plan. [75 FR 70817, Nov. 19, 2010]