Type of relationship refers to facts that show how the worker and business perceive their relationship to each other. The factors, for the type of relationship between two parties, generally fall into the categories of: Written contracts Employee benefits Permanency of the relationship Services provided as key activity of the business Written contracts Although a contract may state that the worker is an employee or an independent contractor, this is not sufficient to determine the worker’s status. The IRS is not required to follow a contract stating that the worker is an independent contractor, responsible for paying his or her own self employment tax. How the parties work together determines whether the worker is an employee or an independent contractor. Employee benefits Employee benefits include things like insurance, pension plans, paid vacation, sick days, and disability insurance. Businesses generally do not grant these benefits to independent contractors. However, the lack of these types of benefits does not necessarily mean the worker is an independent contractor. Permanency of the relationship If you hire a worker with the expectation that the relationship will continue indefinitely, rather than for a specific project or period, this is generally considered evidence that the intent was to create an employer-employee relationship. Services provided as key activity of the business If a worker provides services that are a key aspect of the business, it is more likely that the business will have the right to direct and control his or her activities. For example, if a law firm hires an attorney, it is likely that it will present the attorney’s work as its own and would have the right to control or direct that work. This would indicate an employer-employee relationship. Related Independent contractor (self-employed) or employee? Topic no. 762, Independent contractor vs. employee Employment tax publications Employee (common-law employee) Behavioral control Financial control Publications Publication 15-A (2025), Employer's Supplemental Tax Guide 出版物 1779——獨立承包商或僱員(英文)