A revised edition of the Root Zone KSK DNSSEC Practice Statement (DPS) has been published, and is effective immediately. The changes from the previous edition are: * Section 1.3.8: Change that relying parties must "stay informed" to "be informed". * Section 2.2: Changed reference to non-specific reference document, as the trust anchor download documents are not finalized. * Section 4.2.2: Expanded definition of the role of cryptographic officers for Tier 7. * Section 5.2.9: Add reference to optional practice of exercising unused CO cards while deactivating the HSM. This process was added at TCR suggestion as a method of confirming additional CO cards are properly functioning, even if they are not needed for a specific ceremony. * Section 5.4.3: Clarified cryptographic officer method of accessing of smart cards used to activate the HSM. * Minor editorial and layout changes: Updated contact details including ICANN's corporate address; Updated references to "VeriSign" to "Verisign" to reflect company's name capitalization change; Updated copyright notice on document; Convert authors to acknowledgements section, with document controller (ICANN PMA) listed as editor. The revised DPS is available at https://www.iana.org/dnssec/icann-dps.txt Kim Davies Director, Technical Services ICANN