Legacy Contact for not displayed

Have you accepted it?

If your Legacy Contact is using a device with iOS 15.2, iPadOS 15.2, or macOS Monterey 12.1 or later, you can notify them via Messages when you add them, and if they accept, they'll automatically store a copy of the access key in their Apple ID settings. You'll receive a notification if they decline your Legacy Contact request, and you can choose someone else.

If your Legacy Contact is using an Apple device with older software, you can ask them to update to iOS 15.2, iPadOS 15.2 or macOS Monterey 12.1. Then you can use the Send a Message option to allow them to receive and store the access key on their device. Or you can print out and give them a copy of the access key. 

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With the limited information that you have provided, It is hard to even guess the problems faced by you. 

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