If warranted by special factors, attorney fees may be awarded at a rate higher than that established in Sec. 2430.4. Any such increase in the rate for attorney fees shall be made only upon a petition submitted by the applicant, pursuant to Sec. 2430.6. Determinations regarding fee adjustments are subject to Authority review as specified in Sec. 2430.13. [65 FR 10374, Feb. 28, 2000]