47 C.F.R. § 65.701 Period of review.
Title 47 - Telecommunication
For both exchange and interexchange carriers subject to this part, interstate earnings shall be measured over a two year period to determine compliance with the maximum allowable rate of return. The review periods shall commence on January 1 in odd-numbered years and shall end on December 31 in even-numbered years. [60 FR 28546, June 1, 1995]
Title 47: Telecommunication
PART 65—INTERSTATE RATE OF RETURN PRESCRIPTION PROCEDURES AND METHODOLOGIES
Subpart F—Maximum Allowable Rates of Return
§ 65.701 Period of review.