; except that the base period shall be the calendar quarter beginning July 1, 2017, and any increase which is not a multiple of $5,000 shall be rounded to the next lowest multiple of $5,000. . (b) Effective date The amendment made by this section shall apply to initial measurement dates occurring on or after December 31, 2017. 302. Expansion of employee plans compliance resolution system (a) In general Not later than one year after the date of the enactment of this Act, the Secretary of the Treasury shall modify the Employee Plans Compliance Resolution System (as described in Revenue Procedure 2016–51 or any successor guidance) to achieve the results specified in the succeeding subsections of this section and to further facilitate corrections and compliance in such other means as the Secretary deems appropriate. (b) Loan error (1) In the case of plan loan errors for which corrections are specified under the voluntary compliance program, self-correction shall be made available by methods applicable to such loans through the voluntary compliance program. (2) The Secretary of Labor shall treat any loan error corrected pursuant to paragraph (1) as meeting the requirements of the Voluntary Fiduciary Correction Program of the Department of Labor. (c) EPCRS for IRAs The Secretary of the Treasury shall expand the Employee Plans Compliance Resolution System to allow custodians of individual retirement plans to address inadvertent errors for which the owner of an individual retirement plan was not at fault, including (but not limited to)— (1) waivers of the excise tax that would otherwise apply under section 4974 of the Internal Revenue Code of 1986; (2) under the self-correction component of the Employee Plans Compliance Resolution System, waivers of the 60-day deadline for a rollover where the deadline is missed for reasons beyond the reasonable control of the account owner