The core distinction: before versus after you open

For tax purposes, the timing of an expense relative to when your business begins operations is what separates a startup cost from a regular business expense.

  • Regular business expense: Paid or incurred while the business is actively operating. Generally deductible in full in the tax year it occurs, as long as it is ordinary and necessary under IRC Section 162.
  • Startup cost: Paid or incurred before the business begins — during the investigation, formation, or pre-opening phase. These costs fall under IRC Section 195 and follow different deductibility rules.

The practical question is often: "Has the business actually started?" Courts and the IRS generally look at whether the company has begun the activities it was formed to carry on — not just whether paperwork has been filed.

What counts as a startup cost under Section 195

IRC Section 195 covers costs that would be deductible as ordinary business expenses if the business were already operating. Common examples include:

  • Market research and feasibility studies
  • Advertising before the business opens
  • Training employees before the launch date
  • Travel to investigate a potential business location
  • Salaries paid to employees during a pre-opening training period

Costs that are purely personal, capital in nature, or related to acquiring a specific asset generally do not qualify as Section 195 startup costs.

Organizational costs: a related but separate category

Expenses incurred to legally form the business entity itself — such as state filing fees, legal fees for drafting a partnership agreement or corporate charter, and organizational meetings — are called organizational costs. They are governed by IRC Section 248 (corporations) or Section 709 (partnerships), not Section 195. In practice, the first-year deduction and amortization mechanics are similar, but the two categories are tracked separately.

How startup costs are generally deducted

Under the general federal framework, a business may elect to deduct a limited amount of startup costs in the first year it begins operations, with any remaining balance amortized (spread out) over a set period of months starting with the month the business opens. If total startup costs exceed a higher threshold, the first-year deduction phases out dollar-for-dollar.

Because the specific dollar thresholds and amortization period are set by statute and can be adjusted, always verify current figures with a tax professional or the IRS instructions for the relevant form.

What if I investigated a business idea but never actually opened?

Costs incurred while investigating a general business opportunity — before you committed to a specific venture — may not qualify under Section 195 at all, because Section 195 requires that you actually enter the trade or business. If you never open, those investigative costs may be treated as nondeductible personal expenses or as a capital loss, depending on the facts. A CPA can help you evaluate what happened in your specific situation.

Does the startup cost rule apply to buying an existing business?

Costs to acquire an existing business are generally treated as capital expenditures and allocated among the assets purchased, not as Section 195 startup costs. However, due-diligence and investigative expenses incurred before the decision to acquire may receive Section 195 treatment in some circumstances. The line between acquisition costs and startup costs can be technical, so professional guidance is important here.

Are startup costs the same as capital expenditures?

Not exactly. A capital expenditure buys or improves an asset with a useful life extending beyond one year — think equipment, a building, or a patent. Startup costs under Section 195 are expenses that would be currently deductible if the business were already running, but happen to occur before opening. Both categories require spreading the deduction over time rather than taking it all at once, but through different mechanisms (depreciation/amortization for capital assets; the Section 195 election for startup costs).