The United States National CAD Standard (NCS) streamlines and simplifies the exchange of building design and construction data from project development throughout the life of a facility. It coordinates the efforts of the entire industry by classifying electronic building design data consistently allowing streamlined communication among owners and design and construction project teams. Use of the NCS can reduce costs and produce greater efficiency in the design and construction process. Read more


American Institute of Architects (AIA)
Contruction Specifications Instittue (CSI)
National Institue of Building Sciences (NIBS)

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Own a license to a previous version? Access the United States National CAD Standard V5

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Create Account Order the NCS

Follow the steps below to get started:

  • Step 1: Order the NCS to obtain a license. If you already have a license code, proceed to Step 3.
  • Step 2: Upon purchase, click the link to view the invoice on the thank you page or email receipt and locate the 'Reference ID' on the invoice. This is your license code.
  • Step 3: Enter the license code in the field below (including dashes) along with your email and click 'Submit'.

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