(B) Ethics. An individual who receives initial enrollment during an enrollment cycle must complete two hours of ethics or professional conduct for each enrollment year during the enrollment cycle. Enrollment for any part of an enrollment year is considered enrollment for the entire year.
31 CFR § 10.6
Term. Each individual authorized to practice before the Internal Revenue Service as an enrolled agent, enrolled retirement plan agent, or registered tax return preparer will be accorded active enrollment or registration status subject to renewal of enrollment or registration as provided in this part.