if !proxytgts.Empty() {
				globalReplicationStats.Load().incProxy(bucket, putObjectTaggingAPI, false)
				// proxy to replication target if site replication is in place.
				perr := proxyTaggingToRepTarget(ctx, bucket, object, tags, opts, proxytgts)
				if perr.Err != nil {
					globalReplicationStats.Load().incProxy(bucket, putObjectTaggingAPI, true)
					writeErrorResponse(ctx, w, toAPIError(ctx, perr.Err), r.URL)