New Requirements Under Act 45

Posted on Dec 28, 2018 in Main

Act 45 was passed by the 2018 Legislature and establishes new requirements regarding the use of pesticides in Hawaii. The following are new requirements that are effective on January 1, 2019.


Act 45 requires that all Certified Applicators of Restricted Use Pesticides (RUP) submit a report of the RUP that were applied each year.  Use Form P-45 to list all RUP products used and submit the form to HDOA’s Pesticides Branch by January 30th for the previous year.

The information on this form will be used to generate a report, for departmental use, that will provide the amount of RUP products used by County and includes the total quantities used, EPA Registration Number(s), commercial product names, and active ingredients for each RUP used.  The report will also include the amount of area in the county in which the RUP application occurred.

To download Form P-45, click here. (Click on “Enable Editing” on the form to fill in.)
To download the instructions for filling out Form P-45, click here.

When completed at the end of the Reporting Year, send the form by January 30th of the following year to the Pesticides Branch at

If you have any questions about this, please contact the Pesticides Branch at (808) 973-9402 or email at


  • Beginning January 1, 2019, no person shall apply Restricted Use Pesticides on or within 100 feet of a school property during normal school hours. This restriction does not apply to whole structure fumigation.
  • School is defined as any public or private preschool, kindergarten, elementary, intermediate, middle, secondary or high school.
  • Normal school hours are defined as Monday through Friday from 7:00 AM until 4:00 PM, excluding days when classes are not in session.
  • It is responsibility of the certified applicator to comply with the requirements of Act 45 (2018).

For any questions regarding the buffer zones please contact HDOA Pesticides Branch personnel at the following email:



Act 45 was passed by the 2018 Legislature and requires that all uses of chlorpyrifos and products which contain chlorpyrifos require possession of a permit, issued by the Hawaii Department of Agriculture Pesticides Branch, beginning January 1, 2019.  On January 1, 2023 all uses and sale of chlorpyrifos in the State of Hawaii are banned and permitting of its use will cease at that time.  Any chlorpyrifos permits that extend past December 31, 2022 will be terminated as of that date.

The application for a permit to use chlorpyrifos includes all products that will be used in an Agricultural setting (which include cattle ear tags) or for a Non-Agricultural Use.  Those who desire to use products which include chlorpyrifos as 1 or more active ingredients are required to fill in Form C-45.

The permit application form, C-45, can be requested from the Pesticides Branch at the Hawaii following email address:  Upon return of a completed application form the HDOA Pesticides Branch will process the applications within 72 hours of receipt.  Permits will be sent to the applicant at the email address that is associated with the application form.  If the applicant desires a hard copy of the permit, then please indicate the request when submitting the completed application form.

If you have any questions about this, please contact the Pesticides Branch at (808) 973-9411 or email at