diff --git a/libasn1fix/asn1fix_constr.h b/libasn1fix/asn1fix_constr.h
new file mode 100644
index 0000000..aeb05c0
--- /dev/null
+++ b/libasn1fix/asn1fix_constr.h
@@ -0,0 +1,24 @@
+#ifndef	_ASN1FIX_CONSTRUCTED_H_
+#define	_ASN1FIX_CONSTRUCTED_H_
+
+/*
+ * Fix extensions in constructed types.
+ */
+int asn1f_fix_constr_ext(arg_t *);
+
+/*
+ * Fix tagging in constructed types.
+ */
+int asn1f_fix_constr_tag(arg_t *);
+
+/*
+ * Check distinctive tagging in constructed types.
+ */
+int asn1f_check_constr_tags_distinct(arg_t *);
+
+/*
+ * Perform automatic tagging.
+ */
+int asn1f_fix_constr_autotag(arg_t *);
+
+#endif	/* _ASN1FIX_CONSTRUCTED_H_ */