Medicare Claims Processing Manual (Pub. 100-04), Ch. 27 § 70
Change Control Procedures
70 - Change Control Procedures
(Rev. 4088, Issued: 07-13-18, Effective: 08-14-18, Implementation: 08-14- 18)
The CWF software is changed quarterly to accommodate revised CMS requirements, new
provisions of law, to correct errors, or to enhance the system. A/B MACs and DME
MACs may also request changes to CWF through certain change control procedures.