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Grow Site Administrator (GSA)

A Grow Site Administrator (GSA) must be designated for any grow site that is required to use the Cannabis Tracking System (CTS). A grow site with three or more patients registered at the grow site address is required to use CTS.

 To be designated a GSA, you must have a valid grower registration card issued to you at the grow site.


The GSA is responsible for ensuring compliance with all CTS requirements at the grow site location.

  • Daily Tracking in CTS is mandatory. Failure to adhere to the requirements may result in revocation of the grow site and all growers at that grow site location.
  • A $480 CTS user fee is due annually
    • The “Payment Needed” button will be available in the online system 45 days before the renewal CTS fee is due.
    • The CTS user fee must be paid online. No other forms of payment will be accepted. 


Step 1

Designate GSA and pay $480 CTS user fee

  • Go to the GSA tab found at the top of the page.
  • If no name appears in the “Name” column and the “Payment Needed” button is visible, this means a GSA has not yet been designated for the grow site.
  • Click the “Payment Needed” button to begin the process to be designated as the GSA and pay the non-refundable $480 CTS user fee.
  • Answer the questions and check the boxes acknowledging you understand and agree to the responsibilities of being a GSA.
  • Click the “Pay Now” button to be directed to the payment screen.
  • Enter your payment information as instructed. You will be emailed a receipt upon successful completion of the transaction. Please note: It may take up to 48 hours for your payment to process.
  • After your payment is processed, sign back in to your online account to verify that your request to be designated as GSA was approved.
If multiple growers at a grow site submit GSA payments for the same grow site, the grower whose payment is reconciled first will be designated the GSA.

Step 2

Set up CTS account and use CTS for daily tracking

  • Once a GSA has been approved, the CTS vendor (Metrc®) will send a credentialing email to the GSA. This email will contain your Metrc® username and a link to set up your account. Please note: The email address used to log into your OMMOS account will be the same email address used by Metrc® to contact you about setting up a CTS account.
  • Click on the link in the email from the CTS vendor (Metrc®) to log into CTS and set up your CTS account password. For more detailed information on setting up a CTS account, review the CTS checklist (pdf).
  • You will have 10 days from the date your CTS account is set up to:
    • Order unique identification tags
    • Enter all the onsite inventory at the grow site into CTS
    • Begin using CTS daily

Outreach Workshops

OMMP and OLCC partner workshops on how to designate a grow site administrator, OLCC CTS rules, and an overview of CTS. 

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