writeErrorResponse(ctx, w, errorCodes.ToAPIErr(ErrInvalidPartOrder), r.URL)
		return
	}

	// Reject retention or governance headers if set, CompleteMultipartUpload spec
	// does not use these headers, and should not be passed down to checkPutObjectLockAllowed
	if objectlock.IsObjectLockRequested(r.Header) || objectlock.IsObjectLockGovernanceBypassSet(r.Header) {
		writeErrorResponse(ctx, w, errorCodes.ToAPIErr(ErrInvalidRequest), r.URL)
		return

	if err != nil {
		writeErrorResponse(ctx, w, toAPIError(ctx, err), r.URL)
		return
	}

	objTags := srcInfo.UserTags
	// If x-amz-tagging-directive header is REPLACE, get passed tags.
	if isDirectiveReplace(r.Header.Get(xhttp.AmzTagDirective)) {
		objTags = r.Header.Get(xhttp.AmzObjectTagging)
		if _, err := tags.ParseObjectTags(objTags); err != nil {