MPEP § fp6.49.10
The information disclosure statement filed [1] was submitted on an electronic medium that was not acceptable. It has been placed in the application file, but the information referred to therein has not been considered. Note that U.S. patents, U.S. application publications, foreign patent documents and non-patent literature cited in an information disclosure statement may be electronically submitted in compliance with the USPTO patent electronic filing system requirements.
This form paragraph may be used when the IDS that includes patents and non-patent literature documents is submitted on read-only optical discs or any other electronic medium, except via the USPTO patent electronic filing system. Only "Large Tables," "Sequence Listings," a computer readable form of a "Sequence Listing" and a "Computer Program Listing Appendix" may be submitted on one or more read-only optical discs. See 37 CFR 1.52(e).