Use the California Tax Form Calculator California Tax Form 8453c: California e-file Return Authorization for Corporations as a stand alone tax form calculator to quickly calculate specific amounts for your 2020 California state tax return. California Tax Form 8453c: California e-file Return Authorization for Corporations is also integrated into our comprehensive California State Tax Calculator where you can complete and save your calculations for later use. Alternatively you can use one of our Combined Federal and California State Tax Estimator to quickly calculate your salary, tax and take home pay in California.
|Part I Tax Return Information (whole dollars only)|
|Part II Settle Your Account Electronically for Taxable Year 2017|
|Part III Schedule of Estimated Tax Payments for Taxable Year 2018 (These are NOT installment payments for the current amount the corporation owes.)|
|First Payment||Second Payment||Third Payment||Fourth Payment|
|Part IV Banking Information (Have you verified the corporation’s banking information?)|
|11||12 Type of account:|
Tip: use the California Tax Calculator to edit your refundable and non-refundable tax credits including California Tax Form 8453c: California e-file Return Authorization for Corporations. Complete, Calculate, print and or save your tax calculation for later use.