Invoicing Automation

Automate the creation, delivery, and management of invoices for memberships, events, and other billable items.

Capabilities

Action	ROLE_CLIENT_ADMIN	ROLE_CLIENT_USER
View invoices	✅	✅
Generate invoices	✅	❌
Configure automation	✅	❌
Process refunds	✅	❌
Export invoices	✅	✅

Features

Automatic Invoice Generation

Invoices are automatically generated for:

• Membership Renewals - Generated X days before expiry
• Event Registrations - Generated at registration
• Course Purchases - Generated at enrollment
• Resource Downloads - Generated for paid resources
• Job Postings - Generated when posting is submitted
• Sponsorship Plans & Promotions - Generated for sponsorship tiers, ad placements, and sponsored promotions

Acceptance Criteria

Frontend

• Invoice list with status filtering
• Invoice detail view with PDF preview
• Manual invoice creation form
• Bulk invoice generation
• Invoice export (PDF, CSV)
• Refund processing workflow

Backend / API

• Backend behavior supports this feature as documented.

Permissions

• Access is restricted per the Capabilities matrix on this page (or equivalent role rules).

Business Rules

• Invoice numbers must be unique and sequential
• Cannot edit invoice after payment received
• Refund cannot exceed invoice amount
• Due date calculated from invoice date + payment terms
• Overdue status set automatically based on due date
• Voided invoices retained for audit purposes
• Tax calculated based on organization settings

Error Handling

• Error states return clear messages and appropriate HTTP status codes.

Invoice Configuration

Acceptance Criteria

Frontend

• Invoice settings configuration
• Reminder schedule configuration

Backend / API

• Backend behavior supports this feature as documented.

Permissions

• Access is restricted per the Capabilities matrix on this page (or equivalent role rules).

Business Rules

• All business rules for this feature are enforced.

Error Handling

• Error states return clear messages and appropriate HTTP status codes.

Invoice Lifecycle

Draft → Sent → Viewed → Paid
                  ↓
              Overdue → Reminder → Paid/Written Off

Acceptance Criteria

Frontend

• UI supports the workflows described in this feature.

Backend / API

• Backend behavior supports this feature as documented.

Permissions

• Access is restricted per the Capabilities matrix on this page (or equivalent role rules).

Business Rules

• All business rules for this feature are enforced.

Error Handling

• Error states return clear messages and appropriate HTTP status codes.

Payment Reminders

Configure automatic reminders:

Reminder	Default Timing
First reminder	3 days before due
Second reminder	On due date
Overdue notice	7 days after due
Final notice	14 days after due

Acceptance Criteria

Frontend

• Payment recording interface

Backend / API

• Backend behavior supports this feature as documented.

Permissions

• Access is restricted per the Capabilities matrix on this page (or equivalent role rules).

Business Rules

• All business rules for this feature are enforced.

Error Handling

• Error states return clear messages and appropriate HTTP status codes.

Data Model Cross‑Reference (Entities)

• Payment status / transaction records: Payment Transaction
• Unearned revenue recognition: Unearned Revenue

Implementation Contracts

Backend (API)

GET    /api/invoices                         # List all invoices
POST   /api/invoices                         # Create manual invoice
GET    /api/invoices/{id}                    # Get invoice details
PUT    /api/invoices/{id}                    # Update invoice
DELETE /api/invoices/{id}                    # Void invoice

GET    /api/invoices/{id}/pdf                # Download PDF
POST   /api/invoices/{id}/send               # Send/resend invoice
POST   /api/invoices/{id}/record-payment     # Record manual payment
POST   /api/invoices/{id}/refund             # Process refund

GET    /api/invoices/settings                # Get invoice settings
PUT    /api/invoices/settings                # Update settings

POST   /api/invoices/bulk-generate           # Generate multiple invoices
POST   /api/invoices/export                  # Export invoices

Data Model

interface Invoice {
  id: string;
  invoiceNumber: string;
  memberId: string;
  memberName: string;
  memberEmail: string;
  
  // Line items
  items: InvoiceItem[];
  
  // Amounts
  subtotal: number;
  taxRate: number;
  taxAmount: number;
  total: number;
  
  // Dates
  invoiceDate: string;
  dueDate: string;
  paidDate?: string;
  
  // Status
  status: 'draft' | 'sent' | 'viewed' | 'paid' | 'overdue' | 'voided';
  
  // Payment
  paymentMethod?: string;
  transactionId?: string;
  
  // Related
  relatedType: 'membership' | 'event' | 'course' | 'resource' | 'job' | 'sponsorship';
  relatedId: string;
  
  createdAt: string;
  updatedAt: string;
}

interface InvoiceItem {
  description: string;
  quantity: number;
  unitPrice: number;
  amount: number;
}

Error Handling

Error	HTTP Status	Message
Already paid	400	"Cannot modify paid invoice"
Refund exceeds amount	400	"Refund amount exceeds invoice total"
Invalid due date	400	"Due date must be after invoice date"
Voided invoice	400	"Invoice has been voided"