Payment method:discounts on services preferential categories, discount system, prepayment, postpay, cash, payment by card, bank transfer, cashless payment, online, QR code, Fast payment system, payment by credit card, installment
Certificates:exchange card, sick-list, medical examination, outpatient's card, medical book, drivers medical board, certification for employment, study, doctor's note for swimming, medical examination for seafarers, help for race, certificate for kindergarten, to work with state secrets