The date of hire is the first day in which that person
performs services for pay - i.e., the first day of work. This is
also the date the employer recognizes as the first day for income
tax withholding.
Can commissions be garnished through income
withholding for child support?
Yes, payments of commissions are considered income and
if made periodically, can be garnished by income withholding. For
example, a realtor or a salesperson.