diff --git a/src/IA5String.h b/src/IA5String.h
new file mode 100644
index 0000000..e2a909d
--- /dev/null
+++ b/src/IA5String.h
@@ -0,0 +1,27 @@
+/*-
+ * Copyright (c) 2003 Lev Walkin <vlm@lionet.info>. All rights reserved.
+ * Redistribution and modifications are permitted subject to BSD license.
+ */
+#ifndef	_IA5String_H_
+#define	_IA5String_H_
+
+#include <OCTET_STRING.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+typedef OCTET_STRING_t IA5String_t;  /* Implemented via OCTET STRING */
+
+/*
+ * IA5String ASN.1 type definition.
+ */
+extern asn_TYPE_descriptor_t asn_DEF_IA5String;
+
+asn_constr_check_f IA5String_constraint;
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif	/* _IA5String_H_ */