Billing and Collections by Home Billing and Collections Recording Payments -4 Create and Submit OCF-21 4 Batch Billing 0 Create and Manage Slip & Fall Invoices 1 Create and Manage Private and EHC Invoices 1 Add and Update Invoice and Payment Memo 0 Add and Manage Charges 1 Create and Manage MVA Invoices 2 Create and Manage WSIB Invoices 1