我运营的微信公众号认证过期了，但A分公司的营业执照名额满了，只能换个分公司的营业执照认证，想问问有没有人知道微信公众号的认证主体从同一家公司的A分公司变成B分公司，一定需要迁号吗?有没有什么比较方便的方法？

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