W-4 form: https://www.irs.gov/forms-pubs/about-form-w-4

I-9 form:  https://www.jobs.irs.gov/sites/default/files/wysiwyg-uploads/files/IRSDownloads/I-9EmploymentEligibilityVerification.pdf

Employee Notice Forms:  https://www.dli.mn.gov/business/employment-practices/employee-notice

IRS:  irs.gov

MN Dept. of Revenue: https://www.revenue.state.mn.us/minnesota-department-revenue

MN Mandatory Labor Law Poster Packets:  https://www.dli.mn.gov/business/employment-practices/employee-notice

Wage Theft:  https://www.dli.mn.gov/wagetheft