thread 🚨 Bug Report: “Tax Missing” Error When Switching to Shipment in POS in Orders, Menu Items, Catalog & Fulfilment https://community.squareup.com/t5/Orders-Menu-Items-Catalog/Bug-Report-Tax-Missing-Error-When-Switching-to-Shipment-in-POS/m-p/841584#M23244 <H3><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="1000006442.jpg" style="width: 999px;"><img src="https://community.squareup.com/t5/image/serverpage/image-id/55539i264F94073DCEC1B5/image-size/large?v=v2&amp;px=999" role="button" title="1000006442.jpg" alt="1000006442.jpg" /></span></H3><H3>Summary</H3><P>When converting an in-store cart to <STRONG>Shipment</STRONG> within <SPAN class=""><SPAN class="">Square for Retail</SPAN></SPAN>, the system fails to calculate tax and throws a blocking error.</P><HR /><H3>Environment</H3><UL><LI>App: <SPAN class=""><SPAN class="">Square for Retail</SPAN></SPAN></LI><LI>Version: <STRONG>7.4.1sw</STRONG></LI><LI>Region: Canada</LI><LI>Tax Setup:<UL><LI>Canadian tax enrolments enabled</LI><LI>Automatic tax calculation configured</LI></UL></LI></UL><HR /><H3>Steps to Reproduce</H3><OL><LI>Create a new sale (default: in-store)</LI><LI>Add taxable items to cart</LI><LI>Proceed to checkout</LI><LI>Change fulfillment method to <STRONG>Shipment</STRONG></LI><LI>Observe tax calculation</LI></OL><HR /><H3>Expected Behaviour</H3><UL><LI>Tax automatically recalculates based on shipping destination</LI><LI>Applicable provincial taxes apply correctly</LI><LI>Checkout proceeds without interruption</LI></UL><HR /><H3>Actual Behaviour</H3><P>Error message appears:</P><BLOCKQUOTE><P>“Tax Missing – There was an error and we were unable to calculate taxes for this cart.”</P></BLOCKQUOTE><P>User is forced to choose:</P><UL><LI>“Add tax manually”</LI><LI>“Continue without tax”</LI></UL><HR /><H3>Impact</H3><UL><LI>Breaks checkout flow at payment stage</LI><LI>Forces manual tax handling</LI><LI>Creates risk of incorrect tax collection</LI><LI>Slows down staff and introduces friction in-store</LI></UL><HR /><H3>Key Insight</H3><P>This only occurs when <STRONG>switching fulfillment mid-transaction</STRONG>.</P><P>This suggests:</P><UL><LI>The tax engine is not reinitializing correctly when moving from <STRONG>POS (in-store context)</STRONG> → <STRONG>shipment logic</STRONG></LI><LI>Likely not re-referencing Canadian tax enrolments dynamically</LI></UL><HR /><H3>Workarounds</H3><UL><LI>Restart transaction as shipment from the beginning</LI><LI>Manually apply tax</LI><LI>Complete without tax (not viable)</LI></UL><HR /><H3>Suggested Fix</H3><UL><LI>Trigger full tax recalculation when fulfillment type changes</LI><LI>Align shipment tax logic with online checkout engine</LI><LI>Add retry/fallback instead of hard failure</LI><LI>Improve error transparency (why tax failed)</LI></UL><HR /><H3>Severity</H3><P><STRONG>High</STRONG><BR />Affects live transactions and tax compliance.</P> Sun, 26 Apr 2026 21:22:43 GMT JTPets 2026-04-26T21:22:43Z 🚨 Bug Report: “Tax Missing” Error When Switching to Shipment in POS https://community.squareup.com/t5/Orders-Menu-Items-Catalog/Bug-Report-Tax-Missing-Error-When-Switching-to-Shipment-in-POS/m-p/841584#M23244 <H3><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="1000006442.jpg" style="width: 999px;"><img src="https://community.squareup.com/t5/image/serverpage/image-id/55539i264F94073DCEC1B5/image-size/large?v=v2&amp;px=999" role="button" title="1000006442.jpg" alt="1000006442.jpg" /></span></H3><H3>Summary</H3><P>When converting an in-store cart to <STRONG>Shipment</STRONG> within <SPAN class=""><SPAN class="">Square for Retail</SPAN></SPAN>, the system fails to calculate tax and throws a blocking error.</P><HR /><H3>Environment</H3><UL><LI>App: <SPAN class=""><SPAN class="">Square for Retail</SPAN></SPAN></LI><LI>Version: <STRONG>7.4.1sw</STRONG></LI><LI>Region: Canada</LI><LI>Tax Setup:<UL><LI>Canadian tax enrolments enabled</LI><LI>Automatic tax calculation configured</LI></UL></LI></UL><HR /><H3>Steps to Reproduce</H3><OL><LI>Create a new sale (default: in-store)</LI><LI>Add taxable items to cart</LI><LI>Proceed to checkout</LI><LI>Change fulfillment method to <STRONG>Shipment</STRONG></LI><LI>Observe tax calculation</LI></OL><HR /><H3>Expected Behaviour</H3><UL><LI>Tax automatically recalculates based on shipping destination</LI><LI>Applicable provincial taxes apply correctly</LI><LI>Checkout proceeds without interruption</LI></UL><HR /><H3>Actual Behaviour</H3><P>Error message appears:</P><BLOCKQUOTE><P>“Tax Missing – There was an error and we were unable to calculate taxes for this cart.”</P></BLOCKQUOTE><P>User is forced to choose:</P><UL><LI>“Add tax manually”</LI><LI>“Continue without tax”</LI></UL><HR /><H3>Impact</H3><UL><LI>Breaks checkout flow at payment stage</LI><LI>Forces manual tax handling</LI><LI>Creates risk of incorrect tax collection</LI><LI>Slows down staff and introduces friction in-store</LI></UL><HR /><H3>Key Insight</H3><P>This only occurs when <STRONG>switching fulfillment mid-transaction</STRONG>.</P><P>This suggests:</P><UL><LI>The tax engine is not reinitializing correctly when moving from <STRONG>POS (in-store context)</STRONG> → <STRONG>shipment logic</STRONG></LI><LI>Likely not re-referencing Canadian tax enrolments dynamically</LI></UL><HR /><H3>Workarounds</H3><UL><LI>Restart transaction as shipment from the beginning</LI><LI>Manually apply tax</LI><LI>Complete without tax (not viable)</LI></UL><HR /><H3>Suggested Fix</H3><UL><LI>Trigger full tax recalculation when fulfillment type changes</LI><LI>Align shipment tax logic with online checkout engine</LI><LI>Add retry/fallback instead of hard failure</LI><LI>Improve error transparency (why tax failed)</LI></UL><HR /><H3>Severity</H3><P><STRONG>High</STRONG><BR />Affects live transactions and tax compliance.</P> Sun, 26 Apr 2026 21:22:43 GMT https://community.squareup.com/t5/Orders-Menu-Items-Catalog/Bug-Report-Tax-Missing-Error-When-Switching-to-Shipment-in-POS/m-p/841584#M23244 JTPets 2026-04-26T21:22:43Z