§424.522. Additional effective dates.
42 C.F.R. § 424.522
Reassignments.
The effective date of a reassignment of benefits under § 424.80 is the later of the dates identified in § 424.520(d)(1)(i) and (ii).
Retrospective billing in accordance with a reassignment of benefits and as described in § 424.521(a)(1) is permissible if the circumstances in § 424.521(a)(1) are applicable.
Form CMS-855O enrollment. The effective date of a Form CMS-855O enrollment is the date on which the Medicare contractor received the Form CMS-855O application if all other requirements are met.
Notes, amendments, and revision history
Amendments
[86 FR 62419, Nov. 9, 2021, as amended at 90 FR 55617, Dec. 2, 2025]
Source
Source: 71 FR 20776, Apr. 21, 2006, unless otherwise noted.
Authority
Authority: 42 U.S.C. 1302 and 1395hh.
Source
Source: 53 FR 6634, Mar. 2, 1988, unless otherwise noted.
Amendments
[86 FR 62419, Nov. 9, 2021, as amended at 90 FR 55617, Dec. 2, 2025]