The IRS has the power to issue a one-time levy of bank accounts and accounts receivable. They can seize anything in an account at the time of the levy filing. That is different than what happens when IRS Form 668-W is issued, which is a continuous levy on salaries, wages, pension or retirement income. This includes things like fees, bonuses, commissions and commissions of real estate agents. The levy will continue over multiple periods. Examples of ways to stop the levy