If there's any California state withholding on these forms, they'll appear as explained below.
Form 1099-DIV boxes 12 through 14 would indicate any state
income tax information. Box 12 shows the
state, Box 13 shows State Identification Number, and Box 14 shows State Tax
Withheld.
Form 1099-B boxes 14 through 16 indicate any state income
tax information. Box 14 shows the state,
Box 15 shows the State Identification Number, and Box 16 shows State Tax
Withheld.
