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The Tax Treaty Negotiations Toolkit is updated with new tools! Explore these tools and existing ones at the links below in English, French and Spanish:


**Please note that access to the KSPTA is restricted to members of recognized tax/revenue administrations and international/regional tax organizations and other sanctioned experts. The administrator of the platform, the Canada Revenue Agency, reserves the right to accept or deny, at its sole discretion, the access of a user to the KSPTA. For more details on how to register with the KSP-TA, please go to our E-Learning page.