The Maryland 2018 Form 1 — Additional Locations Worksheet is an official document used by businesses in Maryland to report additional locations to the Maryland Comptroller. This form is used for businesses with multiple locations in the state of Maryland. The form allows businesses to report additional locations for taxation purposes, and includes information such as the business name and address, the type of business, and the date of establishment for each additional location. The form also requires the business to provide information on the number of employees and the total gross sales for each additional location. There are two types of Maryland 2018 Form 1 — Additional Locations Worksheet available: one for companies registered with the Maryland Department of Assessments & Taxation (SEAT) and another for companies not registered with the SEAT.