Rate & Fee Engine
Universal configurable rate and fee calculation engine — every revenue-generating product computes charges through a single, auditable pricing layer.
Calc Latency
Batch (100K)
Calc Accuracy
Concurrent Lookups
Purpose-Built for Canadian Municipalities
Purpose & Scope
What this module owns
Clear ownership boundaries prevent duplication and ensure every capability has exactly one authoritative home.
Owns
8Delegated to
4GL posting of calculated amounts
Bill generation from calculated rates
Payment processing
Approval workflow for rate changes
These capabilities are handled by dedicated modules and consumed via stable API contracts — keeping boundaries clean and ownership unambiguous.
Core Capabilities
What it does
4 capability groups comprising 8 discrete capabilities — each with API surface, business rules, and data ownership.
Create and version rate tables with effective date ranges, approval workflow for rate changes, rate comparison across years, and bulk import/export.
Versioned Tables
Create/version rate tables with effective date ranges; unlimited version history with full audit trail.
Approval Workflow
Rate changes require approval before activation; configurable advance notice period (default 30 days).
Year-over-Year Comparison
Compare rate tables across years to analyze trends and communicate changes to council and public.
Bulk Import/Export
Import rate tables from CSV/Excel; export for offline review or council presentations.
Manage fee schedules per service/product with fixed, per-unit, percentage, formula, or rate-table-referenced calculation methods and HST handling.
Calculation Methods
Fixed, per-unit, percentage, formula-based, or rate-table-referenced — configurable per fee.
HST Handling
Per-fee HST applicability flag with Ontario HST rate (13%) and municipal rebate rate applied automatically.
Bylaw Reference
Each fee linked to authorizing council bylaw for legislative traceability.
GL Account Mapping
Every fee mapped to the correct GL revenue account in financial-core.
Every module owns a single bounded context, exposes stable APIs, and can be composed into any Civic product — that's the architecture that scales.
Krutik Parikh
Creator of Civic
Data Model
Entity Architecture
5 entities with 6 relationships — the authoritative schema for this bounded context.
Entities
Select an entity to explore its fields and relationships
API Surface
Integration Endpoints
10 RESTful endpoints across 6 resource groups — plus 4 domain events for async integration.
/api/v1/rates/tables
List rate tables (filter by service, status, date)
/api/v1/rates/tables
Create rate table
/api/v1/rates/tables/{id}
Get rate table with lines
Ecosystem
Products that depend on this module
12 Civic products consume Rate & Fee Engine — making it one of the most critical platform services in the ecosystem.
Property Tax
Municipal/education/BIA mill rates, tax levy calculation
View product →
Utility Billing
Water/sewer/stormwater tiered rates
View product →
Recreation
Program fees, facility rental rates, membership pricing
View product →
Licences & Permits
Permit fees, license fees, application fees
View product →
Parking
Meter rates, permit rates, fine amounts
View product →
Stormwater
Stormwater charge rates (impervious area)
View product →
Transit
Fare structure, pass pricing
View product →
Cemetery
Interment rights, marker fees, PCF contributions
View product →
Waste & Recycling
Bag tag fees, container rates
View product →
Tourism & Events
Venue rental rates, event permit fees
View product →
Court / POA
Set fine amounts
View product →
Accounts Receivable
Penalty & interest calculation
View product →
Technical Specifications
Performance, Compliance & Configuration
Single Calculation Latency
Batch Calculation (100K accounts)
Rate Table Versioning
Audit Trail
Concurrent Rate Lookups
Calculation Accuracy
FAQ
Frequently Asked Questions
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Build on Rate & Fee Engine
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