diff --git a/.gitignore b/.gitignore
index d48c759..e5b38e2 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,2 +1,3 @@
 .idea
-.vscode
\ No newline at end of file
+.vscode
+vendor/
\ No newline at end of file
diff --git a/go.mod b/go.mod
index 13baae2..50267af 100644
--- a/go.mod
+++ b/go.mod
@@ -1,4 +1,4 @@
-module github.com/plutov/paypal/v4
+module euphoria-laxis.fr/go-packages/paypale/v4
 
 go 1.23
 
diff --git a/invoicing_test.go b/invoicing_test.go
index 7fc0b9f..e978ee4 100644
--- a/invoicing_test.go
+++ b/invoicing_test.go
@@ -5,7 +5,7 @@ import (
 	"encoding/json"
 	"testing"
 
-	"github.com/plutov/paypal/v4"
+	"euphoria-laxis.fr/go-packages/paypale/v4"
 	"github.com/stretchr/testify/assert"
 )
 
diff --git a/types.go b/types.go
index af048e7..aa3d12e 100644
--- a/types.go
+++ b/types.go
@@ -1057,14 +1057,14 @@ type (
 
 	// PaymentSourceCard structure
 	PaymentSourceCard struct {
-		ID             string              `json:"id"`
-		Name           string              `json:"name"`
-		Number         string              `json:"number"`
-		Expiry         string              `json:"expiry"`
-		SecurityCode   string              `json:"security_code"`
-		LastDigits     string              `json:"last_digits"`
-		CardType       string              `json:"card_type"`
-		BillingAddress *CardBillingAddress `json:"billing_address"`
+		ID             string              `json:"id,omitempty"`
+		Name           string              `json:"name,omitempty"`
+		Number         string              `json:"number,omitempty"`
+		Expiry         string              `json:"expiry,omitempty"`
+		SecurityCode   string              `json:"security_code,omitempty"`
+		LastDigits     string              `json:"last_digits,omitempty"`
+		CardType       string              `json:"card_type,omitempty"`
+		BillingAddress *CardBillingAddress `json:"billing_address,omitempty"`
 	}
 
 	// PaymentSourcePaypal structure
@@ -1086,8 +1086,8 @@ type (
 	// CardBillingAddress structure
 	CardBillingAddress struct {
 		AddressLine1 string `json:"address_line_1"`
-		AddressLine2 string `json:"address_line_2"`
-		AdminArea2   string `json:"admin_area_2"`
+		AddressLine2 string `json:"address_line_2,omitempty"`
+		AdminArea2   string `json:"admin_area_2,omitempty"`
 		AdminArea1   string `json:"admin_area_1"`
 		PostalCode   string `json:"postal_code"`
 		CountryCode  string `json:"country_code"`