According to the information gathered by Mario , Advice Marketing officially states that QR codes can be publicly used just by notifying them in advance .
Mario jilatan apthapit yatiyawipatxa , Advice Marketing ukax chiqpachapuniw yatiyi ( pdf ) ukax chiqpachapuniw yatiyi , aka QR uka chimpunakax kamachitiy mayisisp ukhax taqinins uñjkañaw apnaqataspa siwa .