standard modules directory
diff --git a/skeletons/standard-modules/ASN1C-UsefulInformationObjectClasses.asn1 b/skeletons/standard-modules/ASN1C-UsefulInformationObjectClasses.asn1
new file mode 100644
index 0000000..7ba2da4
--- /dev/null
+++ b/skeletons/standard-modules/ASN1C-UsefulInformationObjectClasses.asn1
@@ -0,0 +1,31 @@
+/*
+ * This specification contains pervasive ASN.1 information object classes.
+ * These classes are defined as "useful", and are available in any module
+ * without the necessity for explicit import.
+ */
+ASN1C-UsefulInformationObjectClasses
+ { iso(1) org(3) dod(6) internet (1) private(4) enterprise(1)
+ spelio(9363) software(1) asn1c(5)
+ standard-modules(3) auto-imported(0) 1 }
+DEFINITIONS ::= BEGIN
+
+ /*
+ * X.681-0207, Annex A
+ * The TYPE-IDENTIFIER information object class
+ */
+ TYPE-IDENTIFIER ::= CLASS {
+ &id OBJECT IDENTIFIER UNIQUE,
+ &Type
+ } WITH SYNTAX { &Type IDENTIFIED BY &id }
+
+ /*
+ * X.681-0207, Annex B
+ * The ABSTRACT-SYNTAX information object class
+ */
+ ABSTRACT-SYNTAX ::= CLASS {
+ &id OBJECT IDENTIFIER UNIQUE,
+ &Type,
+ &property BIT STRING { handles-invalid-encodings(0) } DEFAULT {}
+ } WITH SYNTAX { &Type IDENTIFIED BY &id [HAS PROPERTY &property] }
+
+END