diff --git a/pinaxcon/templates/registrasion/emails/invoice_created/subject.txt b/pinaxcon/templates/registrasion/emails/invoice_created/subject.txt
new file mode 100644
index 0000000000000000000000000000000000000000..e5fa82a8d20da77e149eaefe7f3607000f8808e7
--- /dev/null
+++ b/pinaxcon/templates/registrasion/emails/invoice_created/subject.txt
@@ -0,0 +1 @@
+{% load i18n %}Invoice {{ invoice.id }} from (CONFERENCE_COMPANY)