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Division of
Professional Regulation

Certificate of Authorization



A landscape architecture corporation/partnership must apply for a Delaware Certificate of Authorization when the business provides, or offers to provide, landscape architecture services in Delaware.

The following are required for all applications.

  • Enclose the non-refundable processing fee by check or money order made payable to “State of Delaware.”
  • Arrange for each designated professional-in-charge to sign and seal an Acknowledgment of Professional in Charge.

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