def mrw_url(debug=False):
    """
    MRW URL connection

    :param debug: If set to true, use Envialia test URL
    """
    if debug:
        return 'http://sagec-test.mrw.es/MRWEnvio.asmx'
    else:
        return 'https://sagec.mrw.es/MRWEnvio.asmx'
