Multiple taxes Exempt using Transaction Input Factor?

Hello all I have below scenario to exempt taxes based on the project

Customer Location : British Columbia, Canada

Normal Taxes: CA GST STD of 5% and CA PST STDof 7%

Regime to Rate Flow:

1. CA GST AND HST (Regime) -> CA GST (Tax) -> CA GST STD (Status) -> CA GST STD (Rate) 5%

                                                                                                                        -> CA GST EXEMPT 0%

2. CA PST(Regime) -> CA PST (Tax) -> CA PST STD (Status) -> CA PST STD (Rate) 5%

                                                                                                     -> CA PST EXEMPT 0%

Now when I create a new transaction I would like to see CA GST EXEMPT 0% and CA PST EXEMPT 0%

Now I have created a two tax rules each under each tax to call