BALTIMORE — CMS is accepting comments on the oxygen regulations until 5 p.m. EST Dec. 29. In commenting, refer to file code CMS-1403-FC. Comments can be submitted in one of four ways:

1. Electronically. You may submit electronic comments on this regulation to www.regulations.gov. Enter the file code in the search bar, then click "Send a comment or submission," fill in the information required and include the file code in your comments.
2. By regular mail. You may mail written comments to the following address ONLY:
   CMS-1403-FC 3
   Centers for Medicare & Medicaid Services
   Department of Health and Human Services
   Attention: CMS-1403-FC
   P.O. Box 8013
   Baltimore, MD 21244-8013
   Allow sufficient time for mailed comments to be received before the close of the comment period.
3. By express or overnight mail. You may send written comments to the following address ONLY:
   Centers for Medicare & Medicaid Services
   Department of Health and Human Services
   Attention: CMS-1403-FC
   Mail Stop C4-26-05
   7500 Security Boulevard
   Baltimore, MD 21244-1850
4. By hand or courier. If you prefer, you may deliver (by hand or courier) your written comments (one original and two copies) before the close of the comment period to either of the following addresses:
   7500 Security Boulevard
   Baltimore, MD 21244-1850
   or
   Room 445-G, Hubert H. Humphrey Building
   200 Independence Avenue, SW.
   Washington, DC 20201