This Act may be cited as the Middle Class Savings Act.

(a) In general Section 1(j)(5)(B) of the Internal Revenue Code of 1986 is amended— (1) by striking $77,200 in clause (i)(I) and inserting $103,350, (2) by striking $51,700 in clause (i)(II) and inserting $69,200, (3) by striking $479,000 in clause (ii)(I) and inserting $626,350, (4) by striking $452,400 in clause (ii)(II) and inserting $591,600, and (5) by striking $425,800 in clause (ii)(III) and inserting $591,600. (b) Effective date The amendments made by this Act shall apply with respect to taxable years beginning after December 31, 2024.