Start-Up Costs Amortization: $5,000 Deduction and 180-Month Rule

The amortization of startup costs works in two stages: you deduct up to $5,000 of qualified start-up costs in the year the business opens, then spread whatever remains evenly over 180 months (15 years). The $5,000 first-year piece phases out dollar-for-dollar once your total start-up costs pass $50,000, and it disappears at $55,000. Getting the deduction right depends on classifying each expense correctly, pinning down the month the business actually began, and reporting the numbers in the right places on your return.

What Counts as a Start-Up Cost

A start-up expenditure is any amount you pay before your business opens that would have been an ordinary, deductible business expense if the business were already running.¹ That “would it be deductible later?” test is the filter. If you would write off the same expense on next year’s return once operations are underway, it likely qualifies as a start-up cost when paid before opening.

Two broad categories fit. Investigation costs come first: market research, travel to scope out locations, consultant fees to evaluate whether the idea is viable. Creation costs come next, once you have decided to proceed but have not yet opened. These include pre-opening advertising, employee training, and setting up bookkeeping systems.

What Doesn’t Go in the Pool

Several types of pre-opening spending are carved out of Section 195 because they have their own tax treatment. Sorting these out matters, because using the wrong recovery method delays or forfeits deductions.

Tangible property. Equipment, furniture, vehicles, and similar physical assets are capitalized and depreciated under the cost recovery rules, not amortized as start-up costs.²
Intangible assets. Purchased goodwill, customer lists, and trademarks follow the separate 15-year amortization schedule of Section 197.³
Interest and taxes. These are deductible under Sections 163 and 164 in the year you pay them, even during the pre-opening phase.¹
Research and experimentation. These amounts follow Section 174, not Section 195.⁴

Rolling equipment purchases into your Section 195 calculation uses the wrong recovery period and the wrong method, and it creates problems on audit.

The $5,000 First-Year Deduction and the Phase-Out

The code lets a new business deduct up to $5,000 of qualified start-up costs in the year operations begin.¹ The allowance shrinks as total costs grow. For every dollar your start-up costs exceed $50,000, the $5,000 drops by one dollar. At $55,000 or more, the immediate deduction is zero and everything goes into the 180-month schedule.

The math at typical spending levels:

$30,000 in start-up costs. Deduct $5,000 immediately; amortize the remaining $25,000 over 180 months.
$50,000 in start-up costs. Full $5,000 immediate deduction; amortize $45,000.
$53,000 in start-up costs. The $3,000 over the threshold reduces the immediate deduction to $2,000; amortize $51,000.
$55,000 or more. No first-year deduction; the full amount is amortized.

Spreading the Rest Over 180 Months

Whatever the immediate deduction does not cover is amortized evenly over 180 months, beginning with the month the business starts operating.¹ You cannot pick a shorter period. Divide the amortizable amount by 180 to get the monthly figure, then multiply by the number of months the business operated during the tax year.

The first year is prorated if you did not open on January 1. Say you have $23,000 in start-up costs and open on October 1 with a calendar tax year. You take the $5,000 up front. The remaining $18,000 divided by 180 gives $100 per month. Three months of operation yields $300 in amortization, so your total first-year deduction is $5,300. In each later full year, claim 12 months of the monthly amount until all 180 months are used or the business closes.

When Your Business “Begins” for Tax Purposes

The start date sets the clock. The statute leaves the determination to IRS regulations, with one bright-line rule: if you acquire an existing business, it is treated as beginning when you acquire it.¹

For a business you build from scratch, the IRS looks at when you are actually engaged in your intended commercial activity, not when you started preparing. Signing a lease, hiring, or building out space are still pre-opening. The business generally begins when you are ready to serve customers or clients in the ordinary course of your trade. A restaurant opens when it starts serving food, not when it installs the kitchen. A consulting firm begins when it starts soliciting or accepting clients, not when the founder prints business cards.

Picking a date too early lets you claim deductions before you are entitled to them. Too late, and you leave deductions on the table for the gap.

Reporting the Deduction on Your Return

In the first year, report start-up cost amortization on Part VI of Form 4562 (Depreciation and Amortization). The form asks for a description, the date amortization began, the total amortizable amount, the applicable code section (Section 195), and the calculated deduction.⁵ The result flows to your main return: sole proprietors carry it to Schedule C as an “other expense,” and partnerships and corporations report it on their respective entity returns.

After the first year, if you are not filing Form 4562 for anything else, list the amortization directly as an “other expense” on Schedule C or your entity return. If you are filing Form 4562 for other reasons, keep showing the start-up amortization in Part VI.

The Deemed Election

You do not need to make a formal election. Under the Treasury Regulations, a taxpayer is automatically deemed to have elected Section 195 deduct-and-amortize treatment for the year the business begins.⁶ The deduction applies by default. The only affirmative choice is to forgo it and capitalize instead, which you do by electing to capitalize on a timely filed return (including extensions) for the first year of business. Either choice is irrevocable for that set of costs. Capitalized costs sit on your balance sheet and cannot be recovered until the business is sold or closed, so for most businesses the deemed election is the better path.

Organizational Costs Get Their Own Parallel Deduction

Organizational costs — the expenses of forming the legal entity itself — follow their own code sections, but the math mirrors Section 195. Corporations use Section 248, partnerships use Section 709, and each allows the same $5,000 immediate deduction with the same $50,000 phase-out and 180-month amortization for the balance.⁷⁸

Qualifying organizational costs include legal fees for drafting the charter or partnership agreement, accounting fees for initial setup, and state filing fees to register the entity. The expense must be tied to creating the legal structure, not to running the business. Legal fees for drafting a customer contract are a start-up cost, not an organizational cost.

Because the code sections are separate, you track and claim them independently. A corporation with $40,000 in start-up costs and $8,000 in organizational costs gets a $5,000 first-year deduction for each, $10,000 total, plus amortization on the remainders.

Two carve-outs are worth flagging. Partnership syndication fees (amounts paid to promote and sell partnership interests) cannot be deducted or amortized under Section 709 and must be capitalized. Corporate stock-issuance costs (commissions, underwriting fees, stock certificate printing) are similarly excluded from Section 248 and reduce paid-in capital rather than producing a deduction.

If the Business Closes Before 180 Months

If you sell or shut down the business before the amortization period ends, the remaining deductions are not lost. Section 195(b)(2) allows you to deduct the entire unamortized balance as a loss in the year the business is completely disposed of, subject to the general loss rules of Section 165.¹⁹ The same rule applies to unamortized organizational costs under Sections 248 and 709.

“Completely” is the key word. A partial disposition or restructuring does not trigger this accelerated deduction. You need a full sale, liquidation, or abandonment. Close in month 60 with $12,000 still unamortized, and that $12,000 becomes a deductible loss on that year’s return.

If You Never Actually Open

Section 195 only applies to businesses that actually begin operations. If the business never opens, the $5,000 deduction and the 180-month amortization are unavailable. You have to look to the general loss rules of Section 165 instead.⁹ For individuals, a loss deduction requires that the expenses were incurred in a trade or business or in a transaction entered into for profit.

Costs that went past a general search and focused on acquiring a specific business or investment are generally treated as a transaction entered into for profit, making the loss deductible. Preliminary, exploratory costs that never progressed past a general investigation may be treated as nondeductible personal expenses for individuals. The distinction is fact-specific, and if you have spent significant money on a venture that did not pan out, this is one place professional tax advice tends to pay for itself.

Buying an Existing Business: Where Investigation Ends and Acquisition Begins

Revenue Ruling 99-23 draws a line that matters for anyone buying an existing business. Costs incurred while deciding whether to enter a business and which business to pursue are investigatory and qualify under Section 195.¹⁰ Once you make the final decision to acquire a specific business, later costs are acquisition costs that must be capitalized as part of the purchase price under Section 263.

The “final decision” is when you choose which business to buy, not when the purchase agreement is signed or the deal closes. Spend $15,000 on consultants evaluating three franchise opportunities, and that is a start-up cost. The $8,000 in legal fees and due diligence you incur after picking the target gets capitalized into the purchase basis, then recovered through depreciation or amortization of the individual assets acquired, with goodwill following the 15-year schedule of Section 197.³

Misclassifying acquisition costs as start-up costs is one of the more common errors the IRS catches, and the dollar amounts involved tend to be large. Document the timeline carefully so you can show which expenses came before your decision point and which came after.

1
Office of the Law Revision Counsel. 26 USC 195 – Start-Up Expenditures
2
Office of the Law Revision Counsel. 26 USC 168 – Accelerated Cost Recovery System
3
Office of the Law Revision Counsel. 26 USC 197 – Amortization of Goodwill and Certain Other Intangibles
4
Office of the Law Revision Counsel. 26 USC 174 – Amortization of Research and Experimental Expenditures
5
Internal Revenue Service. Instructions for Form 4562
6
eCFR. 26 CFR 1.195-1 – Election to Amortize Start-Up Expenditures
7
Office of the Law Revision Counsel. 26 USC 248 – Organizational Expenditures
8
Office of the Law Revision Counsel. 26 USC 709 – Treatment of Organization and Syndication Fees
9
Office of the Law Revision Counsel. 26 USC 165 – Losses
10
Internal Revenue Service. Revenue Ruling 99-23 – Start-Up Expenditures