PayrollSeptember 5, 20268 min read

Hiring an Out-of-State Remote Employee: A Payroll Guide for Montana Businesses

Remote work gives Montana businesses access to a much larger pool of talent. It can also create payroll responsibilities that do not exist when everyone works in Billings, Bozeman, or elsewhere in the state. In many cases, the employee’s physical work location determines where the employer must register, withhold income tax, pay unemployment contributions, and obtain workers’ compensation coverage. Those responsibilities can apply even when the business has no office in the employee’s state. Planning the setup before the first paycheck is easier and less expensive than correcting missed filings later.

Begin with the employee’s physical work location

Payroll rules generally follow where an employee physically performs the work, not simply where the company is formed or where its main office is located. If a Billings company hires an employee who works from a home office in Idaho, Colorado, or another state, that state may treat the company as an employer operating within its borders.

This can mean registering for state income tax withholding, unemployment insurance, and other employer programs. Some states or cities also have paid leave programs, local payroll taxes, disability insurance, or additional employment-related requirements. The exact combination depends on the employee’s work location and the type of work being performed.

The reverse is also true. An out-of-state company hiring someone who works from home in Montana may develop Montana payroll obligations. It should review Montana withholding, unemployment insurance, workers’ compensation, new-hire reporting, and possible business registration requirements before running that employee’s first payroll.

Complete the necessary registrations before payroll begins

A federal employer identification number does not automatically register a business for payroll in every state. Before paying an out-of-state remote employee, determine which state agencies require separate employer accounts. Registration processing times vary, so it is best not to wait until payroll is due.

Common registrations include an income tax withholding account and a state unemployment insurance account. The company may also need to register with the state’s labor department, paid leave program, or local tax agency. Depending on the facts, employing someone in the state could also require registering the business with that state’s secretary of state or another licensing office.

Gather the employee’s federal Form W-4, Form I-9 documentation, state withholding certificate, legal name, address, Social Security number, start date, compensation details, and expected work location. Confirm which new-hire reporting agency or multistate reporting process applies. A payroll provider can process checks, but the employer remains responsible for providing accurate information and maintaining the required accounts.

Income tax withholding and unemployment may follow different rules

State income tax withholding often depends on where the employee works. If the employee lives and works in another state, the employer will usually need to evaluate that state’s withholding rules. Some states do not impose an individual income tax, while others have state and local withholding systems. Reciprocal agreements and special rules can also affect employees who live in one state and regularly work in another.

State unemployment insurance does not always follow the same analysis as income tax withholding. Multistate unemployment coverage may depend on where the employee’s services are localized, where the employee has a base of operations, where the work is directed or controlled, and where the employee lives. These tests matter when someone works in several states rather than from one permanent home office.

Do not assume that withholding in Montana is sufficient simply because the company is based here. Withholding for the wrong state can leave an employee with an unexpected tax bill and require the employer to amend payroll returns. Confirm the correct treatment with the relevant state agencies or a qualified payroll and tax professional before the first payroll is submitted.

Review workers’ compensation and business nexus

Workers’ compensation coverage is another important part of remote hiring. A Montana policy may not automatically provide the required coverage for an employee working in another state. The employer should tell its insurance agent where the employee will work and confirm that the policy satisfies the rules in that jurisdiction.

An employee’s home office can also create business nexus, which means the company has enough connection with a state to become subject to some of its tax or filing rules. Payroll withholding is usually the first issue, but the employee’s presence could also affect income or franchise taxes, sales tax responsibilities, annual reports, and foreign business registration.

Nexus depends on more than the employee’s address. Their duties, authority, customer contacts, sales activity, and use of company property may all matter. A remote bookkeeper may create a different risk profile than a salesperson who negotiates contracts or regularly meets customers. Payroll setup should therefore be coordinated with broader tax and legal advice rather than handled as an isolated task.

Do not label a remote worker as a contractor for convenience

Hiring someone remotely does not make that person an independent contractor. Worker classification generally depends on the actual relationship, including the company’s control over how the work is performed, the worker’s independence, the financial arrangement, and the nature of the services. Different federal and state agencies may apply related but not identical tests.

A worker may look more like an employee when the business sets their schedule, provides ongoing training, supplies essential tools, closely supervises the work, and expects the relationship to continue indefinitely. A written contractor agreement can be helpful evidence, but it does not override the way the parties actually operate.

Misclassification can lead to unpaid payroll taxes, unemployment contributions, workers’ compensation problems, penalties, interest, and disputes over wages or benefits. If the position functions like employment, adding the person to payroll is usually safer than issuing a Form 1099 simply to avoid registering in another state.

Create a process for moves, travel, and hybrid work

Remote payroll is not a one-time setup. Employees may move without realizing that their new address changes the employer’s responsibilities. Require employees to notify the company before changing their primary work location, even if compensation and job duties stay the same. Update payroll records only after confirming the effective date and reviewing the new state’s requirements.

Temporary work can also be complicated. An employee might spend several weeks working near family, split time between two homes, or travel to another state for a project. States differ in how quickly temporary work creates withholding or other obligations. There is no single nationwide number of days that makes every short-term arrangement exempt.

A practical remote-work policy should identify the employee’s approved work location, require advance notice of moves or extended travel, explain that approval may depend on payroll and legal review, and designate the person responsible for updating the payroll provider. The business should also review employee work locations before year-end so W-2 wages and state withholding are reported correctly.

A practical remote payroll setup checklist

Start by recording where the employee will physically work and whether they expect to work anywhere else. Confirm the position is properly classified as an employee, establish the pay rate and payroll schedule, and review overtime or wage rules that may apply in the work state. State employment standards can differ from Montana requirements.

Next, identify the required withholding, unemployment, workers’ compensation, paid leave, local tax, new-hire, and business registrations. Complete them early enough to receive account numbers and tax rates before payroll is processed. Configure those accounts in the payroll system and verify that tax payments and returns will be filed under the correct legal name and identification numbers.

Finally, reconcile every payroll to the company’s bank account and accounting records. Review payroll tax liabilities, benefit deductions, and employer taxes each month. At quarter-end and year-end, compare payroll reports with the general ledger and investigate differences before returns and W-2s are filed. Accurate bookkeeping makes remote payroll problems much easier to spot and correct.

A quick disclaimer

This article is general information and is not tax, legal, or accounting advice for your specific situation. Remote employment requirements vary by work location, employee duties, and the states involved, so confirm the rules that apply before running payroll.

For help evaluating payroll for a remote employee, call Marlow Accounting at (406) 290-1214 or schedule a free consult. Cory Marlow is an IRS Enrolled Agent, federally licensed by the U.S. Treasury, and Marlow Accounting serves small businesses in Billings and across Montana.

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