What will I need to provide in order for VeriSign to verify my business identity?
When you request an SSL Certificate or a Managed PKI for SSL account, VeriSign must verify the existence of your business, the ownership of your domain name, and your employment status. We may require official government documentation proving your right to do business. These may include:
* Articles of Incorporation
* Certificate of Formation
* Charter Documents
* Business License
* Doing Business As
* Registration of Trade Name
* Partnership Papers
* Fictitious Name Statement
* Vendor/Reseller/Merchant License
* Merchant certificate
http://www.verisign.com/ssl/ssl-information-center/faq/business-authentication.html