CFR / 
Title 45
 / Part 156
 / 
Sec. 156.909 Amendment of notice of assessment or decertification
The ALJ may permit CMS to amend its notice of assessment or decertification, or permit the respondent to amend a request for hearing that complies with Sec. 156.907(a), if the ALJ finds that no undue prejudice to either party will result.