I appreciate the support.
This community is exceptionally fast and provides great replies. regretfully, this option is not viable, as my accounts for 2024-25 still require filing, and without the GST being correctly imported on both Invoices and Bills, my filing would be completely inaccurate.
To carry out the task as you have noted for a year's invoicing and Bills would be a greater task than I would look to undertake. 
The attachment here is for one of the invoices that shows GST (deleted) (Out of scope of Tax)
The Bills show similarly.
194 Bills and 735 Expenses, this is a task that would not be possible. 
QBO and the importing companies should be a lot more considerate to the customers; this has cost me a lot of time and money for no gain.  
I cannot believe that other importing companies "from New Zealand" have not encountered this problem.
Thankyou once again for your support.
Regards
Brian