Can I deduct my computer as a supply?

Technically, a computer is an Asset that should be depreciated over 5 years. However, almost all small businesses use the De Minimis Safe Harbor Election, which allows you to expense any tangible property costing under $2,500 per item immediately. You can put this on Line 22 (Supplies) or Line 18 (Office Expense) instead of depreciating it. This is a massive tax planning tool.

What about software subscriptions (SaaS)?

Monthly or annual software subscriptions (Adobe Creative Cloud, QuickBooks, hosting) are generally considered 'Office Expenses' (Line 18) or 'Supplies' (Line 22). It does not matter much which line you choose, as long as you are consistent. Expensive, perpetual software licenses might need to be amortized, but most modern SaaS is expensed immediately.

Can I estimate my supplies?

Absolutely not. The IRS looks for round numbers (e.g., $500, $1,000) as a sign of guessing. You must have actual receipts summing to the exact dollar amount (e.g., $1,047.23). 'Phantom supplies' are an easy win for auditors.

What if I buy supplies in bulk at the end of the year?

Generally, you can only deduct supplies in the year they are consumed. If you buy five years' worth of paper on December 31st to lower your taxes, the IRS may disallow the deduction until you actually use the paper. However, 'incidental' supplies (like pens or ink kept on hand) can usually be deducted when purchased if you do not keep inventory records for them.

Are shipping costs 'Supplies'?

If you pay to ship products TO customers, that is usually Line 18 (Office Expense) or a separate shipping category. If you pay shipping to get materials TO you, that cost is added to the cost basis of the material itself (COGS or Supplies cost). Boxes, tape, and labels used to ship products are definitely Supplies.

Can I deduct 'Start-up Supplies'?

Expenses incurred before your business officially opens are 'Start-up Costs.' You can deduct up to $5,000 of start-up costs in your first year, and the rest must be amortized over 15 years. This includes supplies bought before launch.

What about client gifts?

Gifts are NOT supplies. They have their own strict limit of $25 per person per year and should be tracked separately. Do not bury expensive gifts in the Supplies category to hide them.

Schedule C. Line 22

Supplies Deductions

From cleaning products to iPads. If you use it for work and it is not inventory, it likely belongs here, including equipment under $2,500 that you can write off immediately instead of depreciating.

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A guide by Taxstra Tax & Accounting · CPA-led tax strategy for business owners

Written by Bryan Martin, CPA, Managing Partner and Founder of Taxstra. Last updated July 7, 2026.

Line 22, "Supplies," is a catch-all category for the tangible items your business consumes to operate. Unlike expensive equipment (Assets) that lasts for years, or products you sell (Inventory), Supplies are generally items that are used up within one year. However, the definition has expanded significantly, smart business owners can now deduct much larger purchases (like laptops and furniture) on this line instead of depreciating them slowly.

Quick Answer

Line 22, Supplies, covers the tangible items your business consumes to operate, generally used up within one year. If the customer walks away with the item, it belongs in COGS instead. Under the de minimis safe harbor election, tangible property costing $2,500 or less per item can be deducted immediately on this line rather than depreciated.

The Big Confusion: Supplies vs. COGS

Getting this distinction wrong is the #1 mistake on Line 22. The defining question: Does the customer walk away with it? If yes, it is COGS. If no, it is a Supply.

ItemWood (furniture maker)

CategoryCOGS

ReasoningBecomes part of the product sold

ItemSandpaper & glue (furniture maker)

CategorySupplies

ReasoningUsed in production, not sold

ItemT-shirts (screen printer)

CategoryCOGS

ReasoningSold with the design on them

ItemEmulsion & screens (screen printer)

CategorySupplies

ReasoningUsed to create the print, not sold

ItemCoffee beans (cafe)

CategoryCOGS

ReasoningSold to the customer in the cup

ItemFilters and napkins (cafe)

CategorySupplies

ReasoningConsumed in operations, not sold

Item	Category	Reasoning
Wood (furniture maker)	COGS	Becomes part of the product sold
Sandpaper & glue (furniture maker)	Supplies	Used in production, not sold
T-shirts (screen printer)	COGS	Sold with the design on them
Emulsion & screens (screen printer)	Supplies	Used to create the print, not sold
Coffee beans (cafe)	COGS	Sold to the customer in the cup
Filters and napkins (cafe)	Supplies	Consumed in operations, not sold

Key Insight

Service businesses (consultants, designers, coaches) almost never have COGS. Everything they purchase to deliver their service, software, tools, paper, office supplies, goes on Line 22. If you are accidentally putting your service supplies in the COGS section, you are complicating your return for no benefit.

The De Minimis Safe Harbor ($2,500 Rule)

This is one of the most powerful tax strategies for small business owners. It allows you to ignore depreciation for small assets and deduct them immediately as Supplies.

The Rule: Under $2,500 Per Item

You can elect to deduct any tangible property you purchase as a "Supply" (expense) in the current year if the invoice cost is $2,500 or less per item. This avoids the depreciation schedule entirely.

Without the Election

You buy a $2,000 laptop. You must depreciate it over 5 years. You get approximately a $400 deduction this year.

With the Election

You buy a $2,000 laptop. You classify it as "Supplies." You get a $2,000 deduction today, zero depreciation schedule needed.

*Requirement: You must attach a statement titled "Section 1.263(a)-1(f) De Minimis Safe Harbor Election" to your return. Most tax software handles this automatically when you check the applicable box.

Taxstra CPA Tip

The $2,500 threshold applies per item, not per invoice. A $5,000 order of 3 different items priced at $1,500 each? All three qualify for the de minimis election. An $800 chair and a $600 desk purchased on the same receipt? Each qualifies separately. Track purchases by item, not by transaction total.

Checklist: Common Supply Expenses

Office Supplies

Paper, ink, toner, staplers, pens, folders, shredders

Shipping Supplies

Cardboard boxes, packing tape, bubble wrap, labels

Tech Accessories

Cables, chargers, keyboards, mice, webcams (under $2,500)

Books & Reference Materials: Line 22 is also the traditional home for "Reference Materials." Books, trade journals, and industry reports are deductible supplies. This includes audiobooks and online courses. IF they are directly related to maintaining or improving skills in your current business. Learning a new career is not deductible.

Audit Defense: Supplies

Watch Out

Receipt Hygiene. Amazon Is Your Friend

Amazon order history is accepted by auditors, but the receipt must show itemized specific descriptions. A credit card statement showing "AMZN Mktp" is NOT sufficient because it does not prove what you bought (it could include personal items). Export your itemized order history and annotate business purchases.

Watch Out

The Home Office 'Personal Use' Trap

Buying toilet paper and coffee for your home office? Be careful. In a home office, household amenities are usually considered non-deductible personal expenses, unlike at a commercial office where such items clearly serve only the business. Stick to business-only items (printer paper, toner, cables) for your home office supply deductions.

Watch Out

Round Numbers Are a Red Flag

The IRS looks for round supply totals (e.g., exactly $500.00 or $1,000.00) as a signal that the number was estimated rather than calculated from actual receipts. Your Line 22 amount should reflect the exact sum of your receipts, $1,047.23, not $1,050.

Frequently Asked Questions

COGS (Cost of Goods Sold) is for materials that physically become part of the product you sell to customers (e.g., wood for a furniture maker, fabric for a tailor). Supplies are items you use during your operations that are consumed and NOT sold directly (e.g., sandpaper for the furniture maker, cleaning spray for the tailor). If you sell it, it's COGS. If you use it up, it's Supplies.

Sources & Citations

• IRS Regulation 1.162-3 (Materials and Supplies)
• IRS Regulation 1.263(a)-1(f) (De Minimis Safe Harbor)
• IRS Publication 535 (Business Expenses)

Make Sure You're Not Leaving Deductions Behind

Between the de minimis election, COGS vs. supplies classification, and receipt documentation, Line 22 has more complexity than it looks. Book a free 30-minute review.

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