This is from the Silversea website about status matching:
https://www.silversea.com/travel-informations/faq.html
How do I enroll in the sister program to qualify for status matching?
Venetian Society members can call at the time of booking to enroll:
Enroll Royal Caribbean Crown & Anchor Society
North America (800) 526-9723
Outside of North America (541) 285-9723 (charges may apply)
Open Monday through Friday, 9 AM-9 PM ET and Saturday through Sunday 9 AM-6 PM ET
Enroll Celebrity Cruises Captain’s Club
North America 1-800-760-0654
Outside of North America 1-316-554-5961 (charges may apply)
Open 24 hours
Members of Royal Caribbean Crown & Anchor Society or Celebrity Cruises Captain’s Club:
Enroll in Venetian Society through their respective brand apps
How do I qualify for the new Loyalty Status Match program?
You must be 18 years of age and enrolled in the loyalty program of each brand where you wish to have your status matched.
Can I match my status across all three Royal Caribbean Group brands at once?
Upon joining each brand's loyalty program, your status will be matched. If you're currently a member of more than one Royal Caribbean Group brand’s loyalty program, your status will be updated automatically within 5-7 business days.
Are there any exclusions for certain loyalty tiers in the Status Match program?
Yes, both the Pre-Gold tier in Royal Caribbean's Crown & Anchor Society and the Preview tier in Celebrity Cruises Captain's Club are excluded.
When can I start to enjoy Status Match benefits?
Venetian Society onboard benefits effective on sailings departing June 5, 2024, and onward. Venetian Society Member Savings (5% and 10%) applicable on new voyages booked after May 30, 2024.
If I am on a voyage that started prior to May 30, 2024, and I qualify for Status Match benefit starting May 30, 2024, can I enjoy those benefits on that voyage?
No, Venetian Society onboard benefits effective on sailings departing June 5, 2024, and onward. Venetian Society Member Savings (5% and 10%) applicable on new voyages booked after May 30, 2024.