return
				}
				w.Header()[xhttp.MinIOTaggingProxied] = []string{"true"}
				writeSuccessResponseHeadersOnly(w)
				// when tagging is proxied, the object version is not available to return
				// as header in the response, or ObjectInfo in the notification event.
				sendEvent(eventArgs{
					EventName:    event.ObjectCreatedPutTagging,
					BucketName:   bucket,