Except as provided in this chapter, an unlicensed individual in the employ of a registered company shall not apply any pesticides included in Branch 2 or Branch 3. However, an individual may, for 90 days from the date of employment, apply pesticides for the purposes of training under the direct supervision of a licensed field representative or operator employed by the company. This direct supervision means in the presence of the licensed field representative or operator at all times. The 90-day time period may not be extended.
Source:
Section 8551.5, https://leginfo.legislature.ca.gov/faces/codes_displaySection.xhtml?lawCode=BPC§ionNum=8551.5..