; and (B) may include a telephone number, mailing address, or a website; (4) information on any remedy being offered by the agency; (5) any applicable educational materials relating to what individuals can do in response to a breach that potentially affects their personally identifiable information, including relevant contact information for the appropriate Federal law enforcement agencies and each nationwide consumer reporting agency; and (6) any other appropriate information, as determined by the head of the agency or established in guidance by the Director. (d) Delay of notification (1) In general The head of an agency, in coordination with the Director and the National Cyber Director, and as appropriate, the Attorney General, the Director of National Intelligence, or the Secretary of Homeland Security, may delay a notification required under subsection (b) or (e) if the notification would— (A) impede a criminal investigation or a national security activity; (B) cause an adverse result (as described in section 2705(a)(2) of title 18); (C) reveal sensitive sources and methods; (D) cause damage to national security