You should use the below guidelines to file your state income taxes: The California income tax rate for C corporations, other than banks and financial institutions, is 8.84%. Visit our tax rates table You must pay the tax whether your corporation is active, inactive, operates at a loss, or files a return for a short period (less than 12 months)

How to file a California corporation tax return?

You must file California Corporation Franchise or Income Tax Return (Form 100) 10 if the corporation is: 1 Incorporated in California 2 Doing business in California 11 3 Registered to do business in California with the Secretary of State 4 Receives California source income

How to become a tax exempt corporation in California?

In order to gain California tax-exempt status, a corporation must qualify as a 501(c) and obtain a Nonprofit Tax-Exempt ID Number from the IRS. California may also require nonprofits to file additional paperwork with the California Department of Revenue to gain exemption from California’s corporate taxes.

When does a California corporation not have to pay franchise tax?

On or after January 1, 2000, every corporation that incorporates or qualifies to do business in California is exempt from the: Prepaid minimum franchise tax paid to the Secretary of State. Minimum franchise tax for its first return. (See Example 1 below). These corporations compute their tax by multiplying their net income for the year by 1.5%.

When do I have to file my California corporation tax return?

All California C corporations and LLCs treated as corporations file Form 100 (California Franchise or Income Tax Return). When do I file my corporation return? Form 100 is due on the 15th day of the third month after the close of the year. If the due date falls on a Saturday, Sunday, or legal holiday, the filing date becomes the next business day.

When is the due date for a C Corp tax return?

The C corp tax return due date has been updated effective for the 2016 tax year, filed in 2017. The new deadline for filing Form 1120 for corporate taxes depends on the fiscal (tax) year of the corporation. If the fiscal year-end for the corporation is December 31, the new deadline for filing the 2017 return is April 17, 2018, on a yearly basis.

What is the California corporation tax franchise form?

Form 100W, California Corporation Franchise or Income Tax Return — Water’s-Edge Filers, including combined reports. Form 100X, Amended Corporation Franchise or Income Tax Return.