Welcome to the Community, @malvarezgomez. Each type of business and ownership has a different list of documentation you'll need to submit.

Review the following section under Step 1: Gather documents for your request to find out what you need to provide in this help article: Request to be the primary admin or contact. 

Additionally, here's another article with the steps to guide you in transferring the admin role in QuickBooks Desktop. 

Feel free to get back to this post if you need more help. I'll be delighted to answer your next posts.