Meaning of PST Province on the CCI screen:

This field is selected when you want the tax to be applied on personal goods. 

For example, you imported goods into Canada, and the port of release is in ON, so you would apply PST Province as ON.

Steps to add PST/HST on the CCI screen:

First, select the checkmark for 'Provincial tax applies to imports' under Customs in the Customer setup screen before creating a new shipment where you want PST/HST to be added.

• • Customer setup screen can be accessed from the Side Menu-
    • Setup >> Customers >> Create/Edit.

Below are the screenshots:

 
If the shipment is already created, make the changes on the customer setup screen as shown above, then reload the customer on the shipment screen. Right-click on the Customer field and click on Reload, as shown in the below screenshot:

 
Once the setup is done, you can set the 'PST Province' on the CCI header if it is for all the lines.

Below is the screenshot: In the below screenshot, AB is selected.

If it is for some lines or only one line, you have to go to the details screen and set the PST province.
Below is the screenshot: PST is selected as AB in the below screenshot.

Once all the steps are completed, when you recap and print the B3, you will see another line on the printed B3 as your chosen province

tax. In the above example, it shows as 'AB Prov Tax'.

Below is the screenshot:

Note: Please note that the tax will apply and depends on the Port of release. Please see the below link for more details on Provincial Sales Tax:

Provincial Sales Tax