Are you asking about doing your 2019 return or for this year 2020 that we filed next year? You just enter the W2s exactly as shown. Turbo Tax will calculate the excess CASDI and give you credit for it. One thing.....if the employer enters it in W2 box 19 then move it to box 14.
For 2019,
The SDI Withholding Rate for 2019 is 1 percent. The SDI taxable wage limit is $118,371 per employee for calendar year 2019. The maximum to withhold for each employee is $1,183.71. Excess CA SDI will be on CA 540 line 74. See 540 Instructions Page 13 line 74
https://www.ftb.ca.gov/forms/2019/2019-540-booklet.pdf
