# Mandatory Deposit of Electronic Books and Sound Recordings Available Only Online
**AGENCY:**
U.S. Copyright Office, Library of Congress.
**ACTION:**
Extension of comment period.
**SUMMARY:**
The United States Copyright Office is extending the deadline for the submission of written comments in response to its May 17, 2016 Notice of Inquiry regarding the mandatory deposit of online-only electronic books and sound recordings.
**DATES:**
Written comments are now due no later than 11:59 p.m. Eastern Time on August 18, 2016.
**ADDRESSES:**
The Copyright Office is using the *regulations.gov* system for the submission and posting of public comments in this proceeding. All comments are therefore to be submitted electronically through *regulations.gov* . Specific instructions for submitting comments are available on the Copyright Office Web site at *http://copyright.gov/policy/mandatorydeposit/.* If electronic submission of comments is not feasible, please contact the Office using the contact information below for special instructions.
**FOR FURTHER INFORMATION CONTACT:**
Jacqueline C. Charlesworth, General Counsel and Associate Register of Copyrights, *[email protected];* or Sarang V. Damle, Deputy General Counsel, *[email protected].* Both can be reached by telephone at 202-707-8350.
**SUPPLEMENTARY INFORMATION:**
The United States Copyright Office is undertaking an inquiry into the current interim rule regarding mandatory deposit of online-only electronic works, and the rule's potential expansion to cover electronic books and sound recordings. On May 17, 2016, the Copyright Office issued a Notice of Inquiry seeking public input on several questions related to that topic. *See* 81 FR 30505 (May 17, 2016). To ensure that commenters have sufficient time to respond, the Copyright Office is extending the deadline for the submission of initial comments in response to the Notice to August 18, 2016, at 11:59 p.m. Eastern Time.
Dated: June 7, 2016.
Jacqueline C. Charlesworth,
General Counsel and Associate Register of Copyrights, U.S. Copyright Office.