https://www.irs.gov/businesses/business-tax-account

How do we know that your list better matches the most common desired/needed features than the initial implementation by the IRS?

IRS business features:

Sole proprietors with EIN

A sole proprietor who files with an EIN can:

    View business balance due 
    View business tax records
    View select digital notices 
    Request a tax compliance check 
    View business name and address on file 
    Give account access to your employees 
    Register for clean energy credits (if eligible) 

An individual partner or shareholder with access can:

    View business balance due 
    View business tax transcripts 
    View business name on file