; or (2) the certification made with respect to such worker under subsection (c)(1) is revoked under subsection (c)(2), no readjustment allowance may be paid to the adversely affected worker under this part for the week in which such failure, cessation, or revocation occurred, or any succeeding week, until the adversely affected worker begins or resumes participation in a training program approved under section 222. (c) Waivers of training requirements (1) Issuance of waivers The Commission may issue a written statement to an adversely affected worker waiving the requirement to be enrolled in training described in subsection (a)(5)(A) if the Commission determines that it is not feasible or appropriate for the worker, because of 1 or more of the following reasons: (A) Health The worker is unable to participate in training due to the health of the worker, except that a waiver under this subparagraph shall not be construed to exempt a worker from requirements relating to the availability for work, active search for work, or refusal to accept work under Federal or State unemployment compensation laws. (B) Enrollment unavailable The first available enrollment date for the approved training of the worker is within 60 days after the date of the determination made under this paragraph, or, if later, there are extenuating circumstances for the delay in enrollment, as determined pursuant to guidelines issued by the Commission. (C) Training not available Training approved by the Commission is not reasonably available to the worker from either governmental agencies or private sources (which may include area career and technical education schools, as defined in section 3 of the Carl D. Perkins Career and Technical Education Act of 2006 ( 20 U.S.C. 2302 ), and employers), no training that is suitable for the worker is available at a reasonable cost, or no training funds are available. (D) Nearing retirement The worker is within 3 years of the age of retirement. (2) Duration of waivers (A) In general Except as provided in