How to add Balance Definitions to Balance Group?

Summary:
How to add Balance Definitions to Balance Group?

Content (please ensure you mask any confidential information):

As part of United States: Third-Party Tax Filing
Interface set up, I created four new balances definitions/names: Nevada Modified Business Tax Reduced Subject Wages, Nevada Modified Business Tax Taxable Wages, Nevada Modified Business Tax Gross Wages, Nevada Modified Business Tax.

Our back end user wants to know: Is it possible to add the 4 balances to Balance Group: State run balances? So that if they are going to review Balance Results, they don't have to search for each Balance Name one by one.