WhatsApp has always given priority to the requirements of their customer. It seems that WhatsApp definitely has some of its internal mechanism to check the authenticity of the business. So, to get that "VERIFIED" status, you do not have to send any special request to WhatsApp or need not have to send any document unless requested to you. WhatsApp will have its proper checking mechanism for the Business account. Visit us for more details https://wapanel.com/.