Senior citizens and people with disabilities exemption and deferred income thresholds. Income thresholds: 2024 - 2026, 2020 - 2023, 2019 and prior.This section covers benefits provided for in RCW 41.40. Washington State Disability Insurance (SDI) Rates. Effective July 1, 2023, employers will be required to withhold WA Cares Fund benefits from employee wages for those employees who are not exempt. The easiest and most secure option to start, stop or change your state income tax withholding (SITW) is to use myPay. No, the District of Columbia does not offer state disability insurance (SDI), so there's no SDI tax. He also has Washington FLI being deducted. Typically, companies that offer paid medical leave or disability do so through a thirdparty insurer. Washington does not use a state withholding form because there is no personal income tax in Washington.