How can I obtain an Invitation Letter?

IPSA Invitation Letters are available to participants who have registered and paid in full their registration and membership fees by logging into the account at

Once the online registration is completed, click on “Registration” in [My Congress] user menu to access the following three documents in PDF format (refer to the screenshot for guidance):

  • IPSA Invitation Letter
  • Official Registration Invoice
  • Official Registration Receipt

Proposal Acceptance letter(s) in PDF format are available by logging into your account at under “My Proposals” in [My Congress] user menu.

  • Paper authors or co-authors may view the letter in List of My Papers.
  • Panel convenors, chairs and discussants may view the letter in List of My Panels.

Letter of Invitation for Visa Purposes

To request a Letter of Invitation for Visa Purposes delegates will be required to complete the WC2023 Visa Invitation Letter Request Form (available to participants who have completed and paid their registration). Visit the Visa and Passport Requirements webpage for more information and instructions on how to apply for a visa and obtain an official invitation letter on behalf of the Local Organizing Committee (LOC) in Argentina with the RENURE (Registro Unico de Requirentes Extranjeros) number.