Code of Federal Regulations Title 5. Administrative Personnel § 5.9701.325 Treatment of employees whose rate of basic pay falls below the minimum rate of their band

(1) If the employee demonstrates performance that meets or exceeds performance expectations within 90 days after the date of the rate range adjustment, issue a new rating of record under § 9701.409(b) and adjust the employee's pay prospectively by making the increase effective on the first day of the first pay period beginning on or after the date the new rating of record is issued;  or

(2) Initiate action within 90 days after the date of the rate range adjustment to demote or remove the employee in accordance with the adverse action procedures established in subpart F of this part.