Under Maryland law, in general, all sales of tangible personal property and certain intangible assets are subject to Maryland's 6% sales tax, while sales tax is imposed only on the sale of certain services specified in Tax-General (“TG”) § 11-101(m).
The Maryland sales and use tax does not apply to sales of machinery and equipment used in production activities, sales of tangible personal property for consumption in production activities, or sales of tangible personal property for resale or incorporation as a material or part of other tangible personal property ...
The sales and use tax applies to charges for the fabrication or assembly of tangible personal property by special order. Fabrication or assembly labor charges are taxable even if the customer provides the materials.
Services in Maryland are generally not taxable, with a few exceptions: Admissions and amusements (note: this is a separate tax in addition to sales tax) Use or rental of recreational or sports equipment. Lease or rental of tangible personal property.
Your sales and use tax return is due on the 20th day of the month following the month in which the period ends and is indicated on each return. If a due date falls on a Saturday, Sunday, or legal holiday, the return is due on the next business day. Initially, your sales and use returns are due on a quarterly basis.