diff --git a/specification/cosmos-db/resource-manager/readme.java.md b/specification/cosmos-db/resource-manager/readme.java.md
index 4419599d765a..41f4c1e181e2 100644
--- a/specification/cosmos-db/resource-manager/readme.java.md
+++ b/specification/cosmos-db/resource-manager/readme.java.md
@@ -17,6 +17,7 @@ service-name: CosmosDB
 
 ``` yaml $(java) && $(multiapi)
 batch:
+  - tag: package-2020-09
   - tag: package-2020-06-preview
   - tag: package-2020-04
   - tag: package-2020-03
@@ -25,6 +26,19 @@ batch:
   - tag: package-2019-08-preview
   - tag: package-2015-04
 ```
+### Tag: package-2020-09 and java
+
+These settings apply only when `--tag=package-2020-09 --java` is specified on the command line.
+Please also specify `--azure-libraries-for-java=<path to the root directory of your azure-sdk-for-java clone>`.
+
+``` yaml $(tag) == 'package-2020-09' && $(java) && $(multiapi)
+java:
+  namespace: com.microsoft.azure.management.cosmosdb.v2020_09_01
+  output-folder: $(azure-libraries-for-java-folder)/sdk/cosmos/mgmt-v2020_09_01
+regenerate-manager: true
+generate-interface: true
+```
+
 ### Tag: package-2020-06-preview and java
 
 These settings apply only when `--tag=package-2020-06-preview --java` is specified on the command line.