SB 553's under-10 exemption is not a small-business exemption. How the three-part test actually works, and what to do if you fail it.
Ask around about SB 553 and you will hear some version of the same claim: it does not apply to small businesses. That is not what the law says, and the difference matters, because employers who think they are exempt and are not are carrying an unfixed compliance gap with penalties attached.
There is an exemption in Labor Code 6401.9 for some small workplaces. But it is not a small-business exemption. It is a small, non-public-workplace exemption, and the test has three separate parts.
Section 6401.9(b)(2)(F) exempts places of employment where fewer than 10 employees are working at the place at any given time, that are not accessible to the public, if the place is in compliance with Section 3203 of Title 8, the injury and illness prevention program every California employer has needed for decades.
Each part of that sentence does work.
The count is not your headcount. It is how many employees are working at that specific location at the same moment. A 400-person company with a satellite office where six people work can qualify at that office. A six-person company where the whole team plus two part-timers overlaps at midday can fail it.
The phrase "at any given time" is the trap. If your staffing puts 10 or more people in the place during a shift change, a weekly all-hands, or a busy season, the exemption does not hold for that workplace. Count your peak overlap, not your average day.
This is where most small employers fall out of the exemption. If customers, clients, patients, or walk-in visitors can come through your door as part of normal operations, the workplace is accessible to the public. A coffee shop, a retail store, a salon, a clinic waiting room, a gym: all accessible. Size does not rescue them.
The workplaces that typically pass this test look like a back-office suite in a multi-tenant building with a locked door and no walk-in traffic, or a small shop or studio where only employees go. If your business model involves the public showing up, assume the exemption does not apply to you and plan accordingly.
The exemption only holds if the workplace is already in compliance with Section 3203, the injury and illness prevention program. The IIPP is not new and it is not optional. It is the baseline written safety program California has required of essentially every employer since 1991. If your IIPP is a template you downloaded and never implemented, the exemption is not doing anything for you, because its condition is not met.
This is the quiet point of the statute: SB 553 did not give small workplaces a pass. It said that if you are small, closed to the public, and already doing the baseline safety work, you do not need the additional workplace violence prevention plan on top.
First, the division can require an otherwise exempt employer to comply by issuing an order to take special action. Exempt is a default, not a permanent status.
Second, teleworkers are exempt separately: employees teleworking from a location of their own choice that the employer does not control are outside the section entirely. The exemption analysis is about your physical workplace, not your remote staff.
Employers who fail the exemption test need a written workplace violence prevention plan, training, and a violent incident log. For a small workplace, the plan does not need to be long. It needs to name who is responsible, how employees report concerns, how you respond, and what training people get. It can live as a stand-alone section inside your existing IIPP.
We wrote a full breakdown of the exemption list in SB 553 exemptions: who needs a plan and who does not. If you want help working out whether your workplace qualifies, or building a plan sized to a small team, our SB 553 compliance work covers exactly that. Book a call here.