{"country":"rs","currency":"EUR","name":"Serbia","taxYear":2025,"taxYearPeriod":"January - December 2025","description":"Serbian self-employed tax calculator: Preduzetnik (lična zarada) and Paušalac (lump-sum)","parameters":{"income":{"type":"number","required":true,"description":"Annual gross income"},"incomePeriod":{"type":"string","default":"yearly","options":["monthly","yearly"]},"currency":{"type":"string","default":"EUR","options":["EUR","RSD"],"description":"Input/output currency"},"expenses":{"type":"number","default":0,"description":"Annual deductible expenses (preduzetnik only)"},"taxModel":{"type":"string","default":"preduzetnik","options":["preduzetnik","pausalac"],"description":"Tax model"},"pausalnaOsnovica":{"type":"number","default":0,"description":"Monthly lump-sum base in RSD (required for pausalac)"},"vatRegistered":{"type":"boolean","default":false,"description":"PDV registered (20%)"},"weeklyHours":{"type":"number","default":40,"description":"Weekly working hours"},"paidDaysOff":{"type":"number","default":20,"description":"Annual leave days"}},"example":"/v1/calculate/rs?income=60000"}