diff --git a/src/forms/Y2022/irsForms/F8960.ts b/src/forms/Y2022/irsForms/F8960.ts
index d78492e98..378d1375c 100644
--- a/src/forms/Y2022/irsForms/F8960.ts
+++ b/src/forms/Y2022/irsForms/F8960.ts
@@ -88,6 +88,10 @@ export default class F8960 extends F1040Attachment {
   // Line 9b Reasonable method: Deductible state tax from Schedule A * Form 8960 Line 8 / 1040 Line 11, Adjusted gross income
   l9b = (): number | undefined => {
     if (this.f1040.scheduleA.isNeeded()) {
+      // Sales taxes aren’t deductible in computing net investment income
+      if (this.f1040.scheduleA.l5aSalesTax()) {
+        return 0
+      }
       const deducibleStateTaxes = this.f1040.scheduleA.l5e()
       const f1040L11 = this.f1040.l11()
       if (f1040L11 === 0) {