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Reviewed by: William McLee
Reviewed date:
January 8, 2026

What Form 3885 (2020) Is For

Form 3885 (2020), titled Corporation Depreciation and Amortization, is issued by the California Franchise Tax Board and is used by corporations to calculate depreciation and amortization deductions under California law. It accounts for both tangible assets and intangible assets that depreciate or amortize over time, such as office equipment or intellectual property. This form differs from federal Form 4562 due to California's specific depreciation methods, including adjustments related to conformity with the Internal Revenue Code. It is essential to accurately reflect depreciation expenses and align state-level calculations with the California Adjustments outlined in state regulations.

When You Would Use Form 3885 (2020)

Corporations use Form 3885 (2020) in several situations that require accurate depreciation and amortization reporting.

Annual corporate filing

Corporations must file Form 3885 each year when depreciable or amortizable assets are placed in service or continue from prior years, and it must be submitted as part of Form 100 or Form 100W.

Section 179 expensing decisions

Corporations that elect IRC Section 179 must use the form to calculate the allowable deduction based on California’s reduced limits and the Section 179 business income limitation.

Bonus depreciation differences

Form 3885 is required when businesses must remove federal bonus depreciation from their California return and apply alternative state-approved depreciation methods.

Entity-specific requirements

Limited liability companies and other entities must file the appropriate version of Form 3885, as California issues different depreciation tax forms depending on the filer’s classification.

Amended or late returns

Corporations use this form when correcting depreciation or amortization figures that affect taxable income, net income, or asset basis on a previously filed return.

Key Rules or Details for 2020

Several rules govern how corporations should complete Form 3885 (2020) in accordance with California’s 2020 tax law.

California conformity rules

California conforms to the Internal Revenue Code as of January 1, 2015, which excludes federal bonus depreciation allowances, resulting in significant differences in asset treatment.

Section 179 limits

California limits IRC Section 179 deductions to $25,000 and applies a phase-out starting at $200,000 of qualifying property, which affects the amount that can be written off in the year of purchase.

Depreciation method differences

California permits various depreciation methods, including the straight-line method, the 150% or 200% declining balance method, and the sum-of-the-years'-digits method, depending on the asset type and usage.

Rules for intangible assets

Intangible assets are generally amortized using IRC Section 197 rules, which require assets such as goodwill or licenses to be amortized over 15 years using the straight-line method.

Vehicle and equipment limits

California imposes specific annual caps on depreciation for passenger vehicles and equipment, which differ from the higher federal limits under the Tax Cuts and Jobs Act.

Step-by-Step (High Level)

Gather supporting documents

Corporations must collect records for all assets, including acquisition dates, costs, prior depreciation schedules, and federal Form 4562, which helps identify differences between federal and California depreciation methods.

Determine Section 179 or first-year options

Filers must choose whether to elect IRC Section 179 expensing or California’s 20 percent additional first-year depreciation; both cannot be used in the same tax year, and each affects the depreciable basis differently.

Complete the Section 179 section

If electing Section 179, businesses must apply the $25,000 California limit, consider the Section 179 business income limitation, and ensure the total deduction does not exceed net income from active business operations.

Enter depreciation for each asset

Each asset must be listed with its cost, service date, adjusted basis, and selected depreciation method, such as the declining balance method or the sum-of-the-years'-digits method, taking into account any salvage value.

Calculate amortization

Intangible assets are entered separately using amortization tables based on IRC Section 197 rules, with a standard 15-year straight-line amortization period unless otherwise specified.

Summarize and transfer totals

Total depreciation and amortization amounts are transferred to Form 100 or Form 100W and are also used to calculate California Adjustments to taxable income when differences from federal Form 4562 exist.

Common Mistakes and How to Avoid Them

Using federal bonus depreciation

Some filers misapply federal bonus depreciation to California returns; this should be avoided by recalculating depreciation using California-approved methods and excluding federal bonus depreciation adjustments.

Misstating Section 179 deductions

Overstating deductions by using federal limits can lead to underpaid tax; corporations must follow California's lower IRC Section 179 limits and verify their Section 179 expensing does not exceed the allowable maximum.

Ignoring amortizable intangible assets

Some filers omit intangible assets from the form; corporations should identify all assets subject to amortization under IRC Section 197 and apply the correct amortization period in the appropriate section.

Incorrect method selection

Applying ineligible depreciation methods can invalidate deductions; filers should confirm that their chosen method—such as the declining balance method—is permitted for the asset and asset class under the California Code of Regulations.

Inaccurate basis reduction

Failing to reduce the asset’s basis after claiming Section 179 deductions or additional first-year depreciation leads to overclaimed depreciation; filers must subtract these amounts from the original cost before calculating future deductions.

What Happens After You File

Once Form 3885 (2020) is submitted with your California corporate return, the California Franchise Tax Board reviews it for compliance and consistency with applicable depreciation methods and California Adjustments. If discrepancies are detected, such as improperly applied bonus depreciation or unreported Section 179 phase-outs, the return may be flagged for further review or audit.

Timely and accurate filing supports faster processing and minimizes the risk of notices or assessments. Depreciation and amortization data from the current year must be carried forward correctly to support asset basis tracking in future tax years.

FAQs

Can Form 3885 (2020) affect California Personal Income Tax filings?

No, Form 3885 (2020) is used only by corporations and does not apply to individual filers under California’s Personal Income Tax system.

Does Form 3885 apply to credit cards or loan balances used to acquire assets?

Yes, if a corporation purchases business assets using credit cards or loans, the depreciation still applies regardless of the principal balance or payment method.

Is there any relevance between Form 3885 and environmental justice or land use planning efforts?

No, Form 3885 (2020) is strictly for corporate tax reporting and is not connected to environmental justice, land use planning, or Amortization Ordinance programs such as those involving the Westside Specific Plan.

Can restoration contractors or insurance carriers use Form 3885 after an insurance claim?

Yes, corporations in industries such as restoration contracting may use Form 3885 to depreciate or amortize assets acquired after receiving payment from an insurance claim.

Is this form used by public adjusters or organizations like the Environmental Health Coalition?

No, Form 3885 (2020) is specific to corporate tax reporting and is not used by public adjusters, advocacy groups, or entities such as the Environmental Health Coalition or Port of San Diego.

https://www.states.gettaxreliefnow.com/State%20of%20California/Form%203885%202020.pdf
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