Does anyone know if subdomains on these gTLDs are required to be offered/sold publicly once acquired?

I don't understand how some of them can be granted to just one company when they are a "global" namespace, and then not allowed by the public to purchase or use.

I'm not talking about ones that are the name of a well known huge company that is unlikely to disappear.

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input_sh an hour ago | parent [-]

There's like a 500 pages rulebook, but yes, if you're applying for a .genericterm, you have to make it available for purchase. Or in ICANN's terms, "closed generics" are prohibited.

	▲	snailmailman 8 minutes ago \| parent [-]
		Really? I’ve had my eye on a domain with a tld that a registry owns but does not make publicly available for purchase. It’s been that way since 2015. Amazon owns it. I guess if such a rule exists it’s a new rule, unfortunately. Seems like this is the case for a few domains. .book, .author, and others got bought by Amazon who hasn’t really done anything with them?