diff --git a/duplicity-backup.conf.example b/duplicity-backup.conf.example
index 6edd690..bad1092 100644
--- a/duplicity-backup.conf.example
+++ b/duplicity-backup.conf.example
@@ -139,6 +139,13 @@ DEST="s3+http://foobar-backup-bucket/backup-folder/"
 #AWS_ACCESS_KEY_ID="foobar_aws_key_id"
 #AWS_SECRET_ACCESS_KEY="foobar_aws_access_key"
 #
+# SET STORAGE CLASS for AWS
+# The default storage class is STANDARD STORAGE. You can comment this option if 
+# want to go with standard. The other storage options are --s3-use-ia and --s3-use-rrs.
+# Note: --s3-use-ia option is supported only in duplicity version greater than 0.7.06 
+#
+#STORAGECLASS="--s3-use-ia"
+#
 # S3CMD INFORMATION
 # Most people don't need this, but in some cases
 # you may want to specify a custom configuration file
diff --git a/duplicity-backup.sh b/duplicity-backup.sh
index 642eea3..ba8df93 100755
--- a/duplicity-backup.sh
+++ b/duplicity-backup.sh
@@ -568,6 +568,7 @@ duplicity_backup()
 {
   {
     eval ${ECHO} ${DUPLICITY} ${OPTION} ${VERBOSITY} ${STATIC_OPTIONS} \
+    ${STORAGECLASS} \
     ${ENCRYPT} \
     ${EXCLUDE} \
     ${INCLUDE} \