The amount of any claim made pursuant to this chapter by a claimant from a household consisting of more than one person is determined as follows: (1) If household income is sixteen thousand one hundred eighty-four dollars or less, the sum of five hundred eighty-one dollars; (2) If household income is sixteen thousand one hundred eighty-five dollars and not more than twenty-two thousand four hundred eighty-four dollars, a sum of seventy-four dollars plus seven and eight-tenths percent of the difference between twenty-two thousand four hundred eighty-four dollars and total household income; and (3) If household income is more than twenty-two thousand four hundred eighty-four dollars, no refund. Source: SL 1974, ch 89 , § 3 (2); SL 1978, ch 79 , § 2; SL 1988, ch 96 , § 4; SL 1989, ch 93 , § 4; SL 1990, ch 81 , § 4; SL 2000, ch 53 , § 4; SL 2002, ch 57 , § 7; SL 2006, ch 42 , § 7; SL 2008, ch 59 , § 7; SL 2012, ch 65 , § 7, eff. Mar. 20, 2012; SL 2013, ch 47 , § 7, eff. Mar. 6, 2013; SL 2014, ch 56 , § 7, eff. Mar. 26, 2014; SL 2016, ch 60 , § 7, eff. Feb. 25, 2016; SL 2018, ch 62 , § 7, eff. Feb. 8, 2018; SL 2019, ch 63 , § 7, eff. Mar. 27, 2019; SL 2020, ch 33 , § 7, eff. Mar. 16, 2020; SL 2021, ch 48 , § 7, eff. Mar. 25, 2021; SL 2022, ch 31 , § 8, eff. Mar. 18, 2022; SL 2023, ch 31 , § 7, eff. Feb. 9, 2023; SL 2024, ch 37 , § 7, eff. Feb. 15, 2024; SL 2025, ch 48 , § 4, eff. Mar. 11, 2025. Effective July 1, 2026