California Tax Form 100x | Fill in and Calculate California State Tax Online

Amended Corporation Franchise or Income Tax Return

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Amended Corporation Franchise or Income Tax Return
Questions
A	Did this corporation file an amended return with the IRS for the same reason?	Yes No
B	Has the IRS advised this corporation that the original federal return is, was, or will be audited?	Yes No
C	Is this amended return based on a final federal determination(s)? If so, what was the final federal determination date(s)?	Yes No
D	Is this return an amended Form 100?	Yes No
E	Is this return an amended Form 100W?	Yes No
F	Is this return an amended Form 100S? If yes, enter the maximum number of shareholders in the S corporation at any time during the year. Do not leave blank	Yes No
G	Is this return a protective claim?	Yes No
H	Was the corporation’s original return filed pursuant to a water’s-edge election?	Yes No
I	During this taxable year, was % or more of the stock of this corporation owned by another corporation?	Yes No
J	During this taxable year, were gross receipts (less returns and allowances) of this corporation more than $ million?	Yes No
Part I Income and Deductions	(a) Originally reported/adjusted	(b) Net change	(c) Correct amount
1	Net income (loss) before state adjustments	1	.00	.00	.00
2	Additions to net income	2	.00	.00	.00
3	Deductions from net income	3	.00	.00	.00
4	Net income (loss) after state adjustments. Combine lines 1 through 3.	4	.00	.00	.00
5	Net income (loss) from Schedule R. See instructions	5	.00	.00	.00
Part II Computation of Tax, Penalties, and Interest
6	Net income (loss) for state purposes (Part I, line 4 or line 5)	6	.00	.00	.00
7	Net operating loss (NOL) deduction. See instructions	7	.00	.00	.00
8	EZ, LARZ, TTA, or LAMBRA NOL deduction	8	.00	.00	.00
9	Disaster loss deduction	9	.00	.00	.00
10	Net income for tax purposes. Combine lines 6 through 9	10	.00	.00	.00
11	Tax % x line 10. See instructions.	11	.00	.00	.00
12	Tax credits:	12	.00	.00	.00
13	Tax after credits (not less than minimum franchise tax plus QSub annual tax(es), if applicable)	13	.00	.00	.00
14	Alternative minimum tax. See instructions	14	.00	.00	.00
15	Tax from Schedule D (100S) (Form 100S filers only)	15	.00	.00	.00
16	Excess net passive income tax (Form 100S filers only)	16	.00	.00	.00
17	Other adjustments to tax. See instructions	17	.00	.00	.00
18	Total tax. Combine line 13 through line 17	18	.00	.00	.00
19	Penalties and interest. See instructions	19	.00	(a) .00 (b) .00	.00
20	Revised balance. Add line 18, column (c), and line 19 (c)	20	.00
Part III Payments and Credits
21	Estimated tax payments (include overpayment from prior year allowed as a credit)	21	.00
22	Amount paid with extension of time to file tax return	22	.00
23	Payment with original tax return	23	.00
24	Withholding (Forms 592-B and/or 593). a) originally reported/adjusted b) net change correct amount	24	.00
25	Other payments. See instructions	25	.00
26	Total payments. Add line 21 through line 25	26	.00
27	Overpayment, if any, shown on original tax return, or as later adjusted	27	.00
28	Balance. Subtract line 27 from line 26	28	.00
Part IV Amount Due or Refund
29	Amount due. If line 20 is more than line 28, subtract line 28 from line 20. See instructions	29	.00
30	Refund. If line 28 is more than line 20, subtract line 20 from line 28. See instructions	30	.00

Amended Corporation Franchise or Income Tax Return

Questions

Did this corporation file an amended return with the IRS for the same reason?

Yes No

Has the IRS advised this corporation that the original federal return is, was, or will be audited?

Yes No

Is this amended return based on a final federal determination(s)?
If so, what was the final federal determination date(s)?

Yes No

Is this return an amended Form 100?

Yes No

Is this return an amended Form 100W?

Yes No

Is this return an amended Form 100S?
If yes, enter the maximum number of shareholders in the S corporation at any time during the year. Do not leave blank

Yes No

Is this return a protective claim?

Yes No

Was the corporation’s original return filed pursuant to a water’s-edge election?

Yes No

During this taxable year, was % or more of the stock of this corporation owned by another corporation?

Yes No

During this taxable year, were gross receipts (less returns and allowances) of this corporation more than $ million?

Yes No

Part I Income and Deductions

(a)
Originally reported/adjusted

(b)
Net change

Net income (loss) before state adjustments

.00

Additions to net income

.00

Deductions from net income

.00

Net income (loss) after state adjustments. Combine lines 1 through 3.

.00

Net income (loss) from Schedule R. See instructions

.00

Part II Computation of Tax, Penalties, and Interest

Net income (loss) for state purposes (Part I, line 4 or line 5)

.00

Net operating loss (NOL) deduction. See instructions

.00

EZ, LARZ, TTA, or LAMBRA NOL deduction

.00

Disaster loss deduction

.00

Net income for tax purposes. Combine lines 6 through 9

.00

Tax % x line 10. See instructions.

.00

Tax credits:

.00

Tax after credits (not less than minimum franchise tax plus QSub annual tax(es), if applicable)

.00

Alternative minimum tax. See instructions

.00

Tax from Schedule D (100S) (Form 100S filers only)

.00

Excess net passive income tax (Form 100S filers only)

.00

Other adjustments to tax. See instructions

.00

Total tax. Combine line 13 through line 17

.00

Penalties and interest.
See instructions

.00

(a) .00
(b) .00

.00

Revised balance. Add line 18, column (c), and line 19 (c)

.00

Part III Payments and Credits

Estimated tax payments (include overpayment from prior year allowed as a credit)

.00

Amount paid with extension of time to file tax return

.00

Payment with original tax return

.00

Withholding (Forms 592-B and/or 593). a) originally reported/adjusted b) net change correct amount

.00

Other payments. See instructions

.00

Total payments. Add line 21 through line 25

.00

Overpayment, if any, shown on original tax return, or as later adjusted

.00

Balance. Subtract line 27 from line 26

.00

Part IV Amount Due or Refund

Amount due. If line 20 is more than line 28, subtract line 28 from line 20. See instructions

.00

Refund. If line 28 is more than line 20, subtract line 20 from line 28. See instructions

.00

Last reviewed: : If you believe this form requires an update, please contact us.

Quick Access Tools

Frequently Asked Questions

How does community property affect my CA return?

Married/RDP filers may have community property allocation rules; see CA guidance.

Are employer retirement contributions taxed by CA?

Pre-tax 401(k)/403(b) contributions reduce federal and generally CA taxable wages.

Is there a separate Medicare surtax in CA?

Additional Medicare is federal; California PIT is separate and applies via its own brackets/credits.

Does CA tax out-of-state remote work?

CA generally taxes income earned while working in CA; non-CA work may be non-CA source—track days/location.

Can I deduct mortgage interest in CA?

Often yes, subject to CA limits/adjustments; compare standard vs itemized for CA.

Important Notes

All calculations are estimates for guidance only. Always review your return and consider professional advice when submitting official filings.