On June 15, 2011, the filing window for device manufacturers to file annual hearing aid compatibility (HAC) reports  opened. The reports can be filed between now and July 15, 2011. This current filing window is only for device manufacturers. The filing window for service providers opens on December 15th of each year and extends until January 15th of each year.
Under the FCC's rules, providers of digital mobile wireless services and manufacturers of wireless handsets must file annual reports on their offering of handsets that are compatible with hearing aids. These reports contain information about the hearing aid compatibility status of each handset offered, functionalities of hearing aid-compatible handsets, labeling of hearing aid-compatible handsets, and the filing company's consumer outreach efforts.
Current reports as well as prior reports can be viewed at the hearing aid compatibility page .