<p>The latest version of [product] has different settings for realtime shipping rate calculation if you use Australia Post as a Carrier.</p><p>If you want to show current shipping rates to your clients, do this:</p><ul><li>go to Administration > Shipping & taxes > Shipping methods</li><li>choose the shipping method that uses Australia Post as a Carrier to calculate shipping rates</li><li>switch to the General tab and enter the proper Shipping service</li><li>switch to the Configure tab and enter the proper <a href="https://developers.auspost.com.au/apis/pacpcs-registration" target="_blank">PAC API key</a></li></ul>