Maryland charges a flat 6% sales and use tax on retail transactions, with no county or city rates layered on top. A Maryland sales tax exemption removes that 6% obligation from a transaction that would otherwise be taxable. It's based on a combination of what's being sold, who's buying it, and how the item will be used. Non-profits, government agencies, resellers, manufacturers, and farmers qualify under different rules, with each requiring its own documentation.

Below, we'll cover who qualifies for exemptions in Maryland, which products and services are exempt, and how long you need to keep records after a transaction.

Key takeaways

• Maryland's sales tax exemptions depend on the product sold, buyer's status, or the item's intended use, and may depend on all three.

• A missing, incomplete, or expired exemption certificate can shift tax liability onto the seller during an audit, even when the underlying sale would have qualified for exemption.

• Businesses should keep exemption and resale certificates on file for at least four years to match Maryland's standard audit lookback period.

What is a Maryland sales tax exemption?

A Maryland sales tax exemption removes the 6% sales tax from a transaction that would otherwise be taxable in the state. Exemptions are separate from exclusions. An exclusion means a transaction was never within the tax's scope to begin with. Many services in Maryland fall into this category unless the legislature specifically added them to the taxable base. An exemption means the transaction is taxable in principle but carved out by statute.

Who qualifies for a Maryland sales tax exemption?

Eligibility falls into a handful of well-defined categories, and each has its own documentation requirements.

Here are the main business types that qualify for a Maryland sales tax exemption:

• Non-profit organisations: Charitable, religious, educational, and other 501(c)(3) entities can apply to the Comptroller of Maryland for a Sales and Use Tax Exemption Certificate. The certificate carries an exemption number and generally needs renewal every five years.

• Government entities: Federal agencies, the State of Maryland, and Maryland local governments are exempt on direct purchases paid with government funds. A purchase order or government check typically substitutes for a certificate, but a government employee who pays with a personal card and seeks reimbursement doesn't qualify.

• Resellers: Businesses buying inventory they intend to resell rather than use can purchase without paying tax by presenting a resale certificate tied to their Maryland sales and use tax registration number.

• Manufacturers: Machinery, equipment, and certain materials used directly to produce goods for sale can qualify for exemption, though items used for general facility operations, such as office supplies, don't qualify.

• Farmers: Agricultural producers can buy qualifying equipment and production inputs, such as feed and seed, tax-free when the purchase supports farm production.

What products qualify for a Maryland sales tax exemption?

Various products qualify for a Maryland sales tax exemption regardless of who's buying. Groceries are exempt when they're unprepared food intended for home consumption. Prepared food, such as a hot deli sandwich or restaurant meal, remains taxable. Prescription drugs, various durable medical devices and equipment prescribed for a patient's use are also exempt. Clothing and footwear priced at US$100 or less per item are exempt during Shop Maryland Tax-Free Week, which runs from the second Sunday in August through the following Saturday. Outside that window, ordinary clothing is taxable the same as most other retail goods.

Manufacturing machinery and equipment used directly in production are also exempt. These follow the same "direct use in production" logic that applies to the manufacturer exemption. Similarly, agricultural equipment and supplies get exempt treatment for qualifying farm buyers. Residential utilities, including electricity, natural gas, and home heating fuel used in a residence, also receive exemption or reduced tax treatment when purchased for household rather than commercial use.

How do you use a Maryland sales tax exemption certificate?

The sales tax exemption certificate shifts liability for unpaid tax from the seller to the buyer's claim of exemption.

Here's how it works:

Resale purchases

Buyers must fill out a resale certificate that lists their Maryland sales and use tax registration number and sign a statement that the goods are being purchased for resale. A business that buys regularly from the same supplier can use a blanket certificate that covers all future purchases rather than filling one out for each transaction, which reduces paperwork for both sides.

Non-profit or exempt-organisation purchases

When purchasing on behalf of non-profits and exempt organisations, the buyer presents their comptroller-issued exemption certificate at the time of sale. The seller should record the certificate number and confirm it hasn't expired, since an expired certificate doesn't protect either party.

Government purchases

The buyer presents the same kind of comptroller-issued exemption certificate non-profits use: a wallet-sized card with an eight-digit number. Since government certificates don't expire, a purchase order or government payment method typically accompanies the certificate. Some travel-related purchase card transactions don't require a form at the point of sale.

What are the recordkeeping requirements for Maryland sales tax exemptions?

Maryland generally allows the comptroller to audit returns going back four years, which sets the baseline for how long you need to keep exemption records.

Here are some best practices for recordkeeping:

• Retain every certificate: Keep resale certificates, exemption certificates, and any related correspondence longer than the baseline of four years from the date of the transaction they cover.

• Match certificates to transactions: Link a blanket certificate to the ongoing account it covers, and tie single-use certificates to the specific invoice or order they apply to.

• Track expiration dates: Non-profit exemption certificates expire on a cycle, generally every five years. A certificate valid at the time of sale but expired by the time of an audit can still create exposure if the seller didn't verify it was current at the time of sale.

• Document product-based exemptions too: Grocery, medical, or tax-free-week exemptions, where no certificate exists, require clear records of what was sold and under what category. These transactions still need to be defensible without a buyer-signed form.

An expired, missing, or incomplete certificate that doesn't have the buyer's registration number, a required signature, or an explanation of intended use, for example, gives an auditor grounds to disallow the exemption and assess tax against the seller instead of the buyer.

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FAQs about Maryland sales tax exemptions