diff --git a/dbAccess/corpus.go b/dbAccess/corpus.go
index 9a499a0..6a757d5 100644
--- a/dbAccess/corpus.go
+++ b/dbAccess/corpus.go
@@ -84,6 +84,22 @@ func CreateCorpusIndexes() error {
 
 func GetTiplocFromCrs(crs string) (tiploc string, err error) {
 	// Return TIPLOC from CRS code
+
+	// PIPELINE:
+	/*
+	   bson.A{
+	       bson.D{{"$match", bson.D{{"3ALPHA", "BTH"}}}},
+	       bson.D{
+	           {"$project",
+	               bson.D{
+	                   {"TIPLOC", 1},
+	                   {"STANOX", 1},
+	                   {"_id", 0},
+	               },
+	           },
+	       },
+	   }
+	*/
 	err = fmt.Errorf("not yet written")
 	return "", err
 }