Ind. Code § 22-4-11-3 – Rate schedules for contributions; determination

(a) The applicable schedule of rates for calendar years before January 1, 2011, shall be determined by the ratio resulting when the balance in the fund as of the determination date is divided by the total payroll of all subject employers for the immediately preceding calendar year. Schedule A, B, C, or D, appearing on the line opposite the fund ratio in the schedule below, shall be applicable in determining and assigning each employer's contribution rate for the calendar year immediately following the determination date. For the purposes of this subsection, "total payroll" means total remuneration reported by all contributing employers as required by this article and does not include the total payroll of any employer who elected to become liable for payments in lieu of contributions (as defined in IC 22-4-2-32 ). For the purposes of this subsection, "subject employers" means those employers who are subject to contribution.

(b) Except as provided in subsection (c), the applicable schedule of rates for calendar years after December 31, 2010, and before January 1, 2021, shall be determined by the ratio resulting when the balance in the fund as of the determination date is divided by the total payroll of all subject employers for the immediately preceding calendar year. Schedules A through I appearing on the line opposite the fund ratio in the schedule below are applicable in determining and assigning each employer's contribution rate for the calendar year immediately following the determination date. For purposes of this subsection, "total payroll" means total remuneration reported by all contributing employers as required by this article and does not include the total payroll of any employer who elected to become liable for payments in lieu of contributions (as defined in IC 22-4-2-32 ). For purposes of this subsection, "subject employers" means those employers who are subject to contribution.

(c) For calendar years 2011 through 2020, Schedule E applies in determining and assigning each employer's contribution rate.
(d) Except as provided in subsection (e), the applicable schedule of rates for calendar years after December 31, 2020, shall be determined by the ratio resulting when the balance in the fund as of the determination date is divided by the total payroll of all subject employers for the immediately preceding calendar year. Schedules A through E appearing on the line opposite the fund ratio in the schedule below are applicable in determining and assigning each employer's contribution rate for the calendar year immediately following the determination date. For purposes of this subsection, "total payroll" means total remuneration reported by all contributing employers as required by this article and does not include the total payroll of any employer who elected to become liable for payments in lieu of contributions (as defined in IC 22-4-2-32 ). For purposes of this subsection, "subject employers" means those employers who are subject to contribution.

(e) For calendar years 2021 through 2025, Schedule C applies in determining and assigning each employer's contribution rate.
(f) Any adjustment in the amount charged to any employer's experience account made subsequent to the assignment of rates of contributions for any calendar year shall not operate to alter the amount charged to the experience accounts of any other base-period employers.
Formerly: Acts 1947, c.208, s.1103; Acts 1955, c.317, s.7; Acts 1965, c.190, s.6; Acts 1967, c.310, s.15; Acts 1971, P.L.355, SEC.25. As amended by Acts 1977, P.L.262, SEC.20; Acts 1982, P.L.136, SEC.1; P.L.225-1985, SEC.3; P.L.171-1991, SEC.2; P.L.1-1992, SEC.108; P.L.202-1993, SEC.4; P.L.1-1994, SEC.112; P.L.21-1995, SEC.76; P.L.259-1997(ss), SEC.2; P.L.30-2000, SEC.2; P.L.273-2003, SEC.3; P.L.175-2009, SEC.13; P.L.110-2010, SEC.27; P.L.1-2010, SEC.87; P.L.2-2011, SEC.10; P.L.42-2011, SEC.40; P.L.6-2012, SEC.154; P.L.158-2020, SEC.1.