Payment method:discount system, prepayment, cash, payment by card, electronic money, bank transfer, via sms, installment, cashless payment, QR code, payment by credit card, making a loan
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, to work with state secrets
Promotions:discounts, promotions, special offers, bonuses, gifts