Proposed Provision: F4. Expand covered earnings to include contributions to voluntary salary reduction plans (such as Cafeteria 125 plans and Flexible Spending Accounts). Starting in 2018, subject these contributions to the OASDI payroll tax, making the payroll tax treatment of these contributions like 401(k) contributions.

OASDI Cost Rates and Income Rates
(as a percentage of taxable payroll)

  Income Rates Cost Rates
Year Current Law Provision Current Law Provision
201713.013.013.413.4
201812.913.313.513.5
201912.913.413.713.7
202013.013.413.913.9
202113.013.414.014.0
202213.013.514.314.3
202313.013.514.514.6
202413.113.514.814.8
202513.113.615.115.1
202613.113.615.415.4
202713.213.615.615.6
202813.213.615.915.9
202913.213.716.116.1
203013.213.716.316.3
203113.213.716.416.5
203213.213.716.616.7
203313.213.716.716.8
203413.213.716.816.9
203513.213.716.917.0
203613.213.717.017.1
203713.213.717.017.1
203813.213.717.017.1
203913.213.817.017.1
204013.213.817.017.1
204113.213.816.917.1
204213.213.816.917.0
204313.213.816.817.0
204413.213.816.817.0
204513.213.816.716.9
204613.213.816.716.9
204713.213.816.616.9
204813.213.816.616.9
204913.213.816.616.8
205013.213.816.616.8
205113.213.816.616.8
205213.213.816.616.8
205313.213.816.616.9
205413.213.816.616.9
205513.213.816.616.9
205613.213.816.717.0
205713.213.816.717.0
205813.213.816.717.1
205913.213.816.817.2
206013.313.816.817.2
206113.313.816.917.3
206213.313.816.917.3
206313.313.817.017.4
206413.313.817.017.4
206513.313.817.117.5
206613.313.817.117.6
206713.313.917.217.6
206813.313.917.217.7
206913.313.917.317.7
207013.313.917.317.8
207113.313.917.417.8
207213.313.917.417.9
207313.313.917.417.9
207413.313.917.518.0
207513.313.917.518.0
207613.313.917.518.0
207713.313.917.518.0
207813.313.917.518.0
207913.313.917.518.0
208013.313.917.518.0
208113.313.917.518.0
208213.314.017.518.0
208313.314.017.518.0
208413.314.017.518.0
208513.314.017.618.1
208613.314.017.618.1
208713.314.017.618.1
208813.314.017.718.2
208913.314.017.718.2
209013.314.017.718.3
209113.314.017.818.3
209213.314.017.818.4
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