5 C.F.R. § 9901.353 Setting pay upon promotion.
Title 5 - Administrative Personnel
Except as otherwise provided in implementing issuances, upon an employee's promotion, the employee will receive an increase in his or her rate of basic pay equal to at least 6 percent, unless this minimum increase results in a rate of basic pay higher than the maximum rate of the applicable pay band. An employee's rate of basic pay upon promotion may not be less than the minimum of the rate range.
Title 5: Administrative Personnel
PART 9901—DEPARTMENT OF DEFENSE HUMAN RESOURCES MANAGEMENT AND LABOR RELATIONS SYSTEMS
Subpart C—Pay and Pay Administration
Pay Administration
§ 9901.353 Setting pay upon promotion.