diff --git a/CHANGELOG.md b/CHANGELOG.md
index 166af027..c9bcb805 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -16,6 +16,7 @@ The format is based on [Keep a Changelog](http://keepachangelog.com/) and this p
 
 ### Fixes
 
+- `ch`: Deleted Supplier validation (not needed for under 2300 CHF/year)
 - `bill`: `Invoice` `GetExtensions` method now works correctly if missing totals [Issue #424](https://github.com/invopop/gobl/issues/424).
 
 ## [v0.205.0] - 2024-11-12
diff --git a/regimes/ch/ch.go b/regimes/ch/ch.go
index 0b89dd05..666da54c 100644
--- a/regimes/ch/ch.go
+++ b/regimes/ch/ch.go
@@ -46,8 +46,6 @@ func New() *tax.RegimeDef {
 // Validate checks the document type and determines if it can be validated.
 func Validate(doc any) error {
 	switch obj := doc.(type) {
-	case *bill.Invoice:
-		return validateInvoice(obj)
 	case *tax.Identity:
 		return validateTaxIdentity(obj)
 	}
diff --git a/regimes/ch/invoices.go b/regimes/ch/invoices.go
deleted file mode 100644
index e3fd9c5d..00000000
--- a/regimes/ch/invoices.go
+++ /dev/null
@@ -1,31 +0,0 @@
-package ch
-
-import (
-	"github.com/invopop/gobl/bill"
-	"github.com/invopop/gobl/org"
-	"github.com/invopop/gobl/tax"
-	"github.com/invopop/validation"
-)
-
-func validateInvoice(inv *bill.Invoice) error {
-	return validation.ValidateStruct(inv,
-		validation.Field(&inv.Supplier,
-			validation.By(validateInvoiceSupplier),
-			validation.Skip,
-		),
-	)
-}
-
-func validateInvoiceSupplier(value any) error {
-	p, ok := value.(*org.Party)
-	if !ok || p == nil {
-		return nil
-	}
-	return validation.ValidateStruct(p,
-		validation.Field(&p.TaxID,
-			validation.Required,
-			tax.RequireIdentityCode,
-			validation.Skip,
-		),
-	)
-}
diff --git a/regimes/ch/invoices_test.go b/regimes/ch/invoices_test.go
index df71a841..7305a0e6 100644
--- a/regimes/ch/invoices_test.go
+++ b/regimes/ch/invoices_test.go
@@ -56,5 +56,5 @@ func TestInvoiceValidation(t *testing.T) {
 	inv = validInvoice()
 	inv.Supplier.TaxID.Code = ""
 	require.NoError(t, inv.Calculate())
-	assert.ErrorContains(t, inv.Validate(), "supplier: (tax_id: (code: cannot be blank.).)")
+	assert.NoError(t, inv.Validate())
 }