28 CFR 22.27 - Notification.
(a) Any person from whom information identifiable to a private person is to be obtained directly, either orally, by questionnaire, or other written documents, shall be advised:
(2) That compliance with the request for information is entirely voluntary and may be terminated at any time.
(b) Except as noted in paragraph (c) of this section, where information is to be obtained through observation of individual activity or performance, such individuals shall be advised:
(c) Notification, as described in paragraph (b) of this section, may be eliminated where information is obtained through field observation of individual activity or performance and in the judgment of the researcher such notification is impractical or may seriously impede the progress of the research.
Title 28 published on 2013-07-01
no entries appear in the Federal Register after this date.