ot = tags
				w.Header()[xhttp.MinIOTaggingProxied] = []string{"true"} // indicate that the request was proxied.
			} else {
				writeErrorResponse(ctx, w, toAPIError(ctx, err), r.URL)
				return
			}
		} else {
			writeErrorResponse(ctx, w, toAPIError(ctx, err), r.URL)
			return
		}
	}

	// Set this such that authorization policies can be applied on the object tags.
	if tags := ot.String(); tags != "" {