diff --git a/auditlog b/auditlog
new file mode 120000
index 00000000..d456b705
--- /dev/null
+++ b/auditlog
@@ -0,0 +1 @@
+./external/hibou-oca/server-tools/auditlog
\ No newline at end of file
diff --git a/purchase_exception b/purchase_exception
new file mode 120000
index 00000000..25c41368
--- /dev/null
+++ b/purchase_exception
@@ -0,0 +1 @@
+./external/hibou-oca/purchase-workflow/purchase_exception
\ No newline at end of file
diff --git a/purchase_minimum_amount b/purchase_minimum_amount
new file mode 120000
index 00000000..72a12fcf
--- /dev/null
+++ b/purchase_minimum_amount
@@ -0,0 +1 @@
+./external/hibou-oca/purchase-workflow/purchase_minimum_amount
\ No newline at end of file