I am trying to integrate a 3rd party taxing module into my shop (PS version 1.7.6.4) and since I am unable to hook voucher applied, the price is calculated incorrectly if a voucher is applied at the last step of the checkout. I simply need to reload the checkout step if a voucher is applied/removed at the last step of the checkout (payment details step).
I was unable to find the most proper place for this. Should I look for `updateCart` event or is there more straightforward place to plug this code in?