update registration page

Author: tfjmp

content/registration/index.md

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 title: "Registration"
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+Registrations will be online only and will close on <s>June 8</s> June 20, 2024. **On-site registrations will not be available**.
+
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+{{% cta cta_text="Register" cta_link="https://web.cvent.com/event/2da7dd28-2938-4ea7-b3e4-4a27b6c3c2e8/summary" cta_new_tab="false" %}}
+
+
+
+# Registration fees
+
+ - **ACM Full member**: 500 USD (late: 600 USD)
+ - **ACM Student Member**: 250 USD (late: 300 USD)
+ - **Full Non-member**: 600 USD (late: 720 USD)
+ - **Student Non-member**: 300 USD (late: 360 USD)
+ - **Dinner reception**: 90 USD (late: 110 USD)
+
+In-person registration includes: access to all sessions and tutorials, breaks and lunches on each day. Please note that dinner reception requires a separate ticket.
+
+A limited number of free student registrations are available on request to attend the
+conference virtually. We particularly encourage people from underrepresented
+groups to contact us.
+
+
+# Important Dates
+
+<span style=color:grey>Early-bird registration close: July 7</span>  
+<span style=color:grey>Registration close: July 25</span>
+<span style=color:grey>Conference:  July 29-31, 2025</span>  
+
+# Terms and Conditions
+
+## Authors
+For each article accepted at ACM REP 2025, it is required to have at least one of the authors registered at the conference, with the commitment to present it at the conference - online presentations are accepted but require full on site registration as well. Paper without a full registration will be withdrawn from the program and the proceedings. The deadline for author registration is July 15, 2025.
+
+## Students
+Student fees are applicable only to full-time students. Students must be able to provide a proof of their student status (student ID card or certificate).
+
+## Substitution
+If you are unable to attend the conference, you can request the transfer of your registration to another participant by notifying the conference secretariat before the conference.
+
+# Cancellation Policy
+
+If a registrant is unable to attend an event for any reason they may substitute, by arrangement with the conference organizers, someone else from the same institute/organization.