1. RXQ.3.4.1 Dual Billing Process Flow Distribution Company Supplier Customer Distribution Company reads meter(s) (3.3.1.5) Supplier receives and processes Customer payment (3.3.2.2) Customer receives bill for energy Charges (3.3.2.1) Supplier prepares and renders bill for energy (3.3.2.1) Customer pays supplier for energy Charges (3.3.2.2) Customer receives bill for distribution charges (3.3.2.1) Customer pays Distribution Company for distribution charges (3.3.2.2) Distribution Company receives and processes Customer payment (3.3.2.2) Distribution Company prepares and renders bill for distribution charges (3.3.2.1) Document# 10-1B Distribution Company sends usage data to Supplier (3.3.1.5) 1

2. RXQ.3.4.1 Dual Billing Process Flow Meter Usage Cancellation and Rebilling Process Distribution Company Supplier Customer Customer receives restated Supplier charges (3.3.2.4) Distribution Company sends cancellation notice to Supplier (3.3.2.3) Distribution Company determines that initial usage was incorrect (3.3.2.3) Supplier receives cancellation notice and cancels charges in its billing system for incorrect usage (3.3.2.3) Distribution Company determines restated usage (3.3.2.4) Distribution Company sends restated usage to Supplier (3.3.2.4) Supplier receives restated usage (3.3.2.4) Supplier calculates restated charges and sends corrected bill to Customer (3.3.2.4) Distribution Company calculates restated charges and sends corrected bill to Customer (3.3.2.4) Customer receives restated Distribution Company charges (3.3.2.4) 2 Distribution Company cancels charges in its billing system for incorrect usage (3.3.2.3)

3. Time to fix & re-submit (3.3.4.6) RXQ.3.4.2 Consolidated Billing - Bill Ready Process Flow Yes No Yes No Yes Customer Non-Billing Party Billing Party receives usage data (3.3.1.5) Billing Party calculates its charges (3.3.3.3) Distribution Company sends usage (3.3.1.5) Non-Billing Party receives usage data (3.3.1.5) Non-Billing Party calculates its charges and sends them to Billing Party (3.3.4.1) Billing Party receives Non- Billing Party charges (3.3.4.1) No File properly formatted (3.3.4.3, 3.3.4.4 & 3.3.4.6) Sends rejection notification (3.3.4.3 & 3.3.4.6) Rejection notice received (3.3.4.3 & 3.3.4.6) Time to fix & re-submit (3.3.4.6) Process Non-Billing Party transactions (3.3.4.4) Account is billable (3.3.4.3 & 3.3.4.6) Send rejection notification (3.3.4.3 & 3.3.4.6) Rejection received (3.3.4.3 & 3.3.4.6) Yes Hold transaction(s) for next bill (3.3.4.7) 3 1 2 No

4. RXQ.3.4.2 Consolidated Billing - Bill Ready Process Flow Customer Non-Billing Party Billing Party Non-Billing Party charges in time for bill (3.3.4.7) Yes No Yes No Customer receives bill (3.3.3.3 & 3.3.4.8) Billing Party prepares & renders bill with all available charges (3.3.3.3 & 3.3.4.4 ) Hold for next bill as specified in Billing Services Agreement (3.3.4.7) Billing Party performs cancel and rebill (unless other action specified in Billing Services Agreement) (3.3.4.8) Send rejection notification (3.3.4.7) Non-Billing Party resubmits for next bill (3.3.4.7) Hold transaction for next bill (3.3.4.7) Delay caused by Billing Party (3.3.4.7 & 3.3.4.8) Transactions held from prior periods (3.3.4.7) 4 1 2

5. Non-Billing Party calculates corrected charges and sends them to Billing Party (3.3.4.10) RXQ.3.4.2 Consolidated Billing - Bill Ready Process Flow Meter Usage Cancellation and Rebilling Process Customer Non-Billing Party - Billing Party - No Yes Billing Party receives restated usage data and cancels charges in its billing system for incorrect usage (3.3.4.9 & 3.3.4.10) Non-Billing Party receives restated usage data and cancels charges in its billing system for incorrect usage (3.3.4.9 & 3.3.4.10) Distribution Company determines initial usage was incorrect; sends cancel usage notice and restated usage (3.3.4.9 & 3.3.4.10) Billing Party calculates corrected charges (3.3.4.10) Billing Party receives Non- Billing Party charges (3.3.4.10) File properly formatted (3.3.4.3, 3.3.4.4 & 3.3.4.6) Send rejection notification (3.3.4.3 & 3.3.4.6) Receive Rejection (3.3.4.3 & 3.3.4.6) Time to fix & re-submit (3.3.4.6) Hold transaction(s) for next bill (3.3.4.7) No 5 Yes 3 4 2 1

6. RXQ.3.4.2 Consolidated Billing - Bill Ready Process Flow Meter Usage Cancellation and Rebilling Process Yes No Customer Non-Billing Party - Billing Party Yes No Time to fix & re-submit (3.3.4.6) Process Non-Billing Party transactions (3.3.4.4) Rejection notification received (3.3.4.3 & 3.3.4.6) Send rejection notification (3.3.4.3 & 3.3.4.6) Yes No Billing Party prepares & renders bill with all available cancellations and charges (3.3.4.10) Billing Party performs cancel and rebill (unless other action specified in the Billing Services Agreement) (3.3.4.8) Non-Billing Party charges in time for bill (3.3.4.4 & 3.3.4.7) Delay caused by Billing Party (3.3.4.7 & 3.3.4.8) Hold for next bill as specified in the Billing Services Agreement (3.3.4.7) Send rejection notification (3.3.4.7) Non-Billing Party receives rejection notification and resubmits for next bill (3.3.4.7) Hold transaction for next bill (3.3.4.7) Customer receives bill (3.3.4.10 & 3.3.4.8) 6 Able to process Non-Billing Party transactions (3.3.4.3 & 3.3.4.6) 3 4 2 1

7. RXQ.3.4.2 Consolidated Billing - Bill Ready Process Flow Non-Billing Party Bill Cancellation and Rebilling Process Customer Non-Billing Party - Billing Party No Yes Billing Party receives cancel charges notice (3.3.4.13) Non-Billing Party determines original charges were incorrect; sends cancel charges notice to Billing Party and cancels charges in its billing system (3.3.4.13) Non-Billing Party calculates corrected charges and sends them to Billing Party (3.3.4.14) Billing Party receives Non-Billing Party corrected charges (3.3.4.14) File properly formatted (3.3.4.3, 3.3.4.4 & 3.3.4.6) Send rejection notification (3.3.4.3 & 3.3.4.6) Receive Rejection (3.3.4.3 & 3.3.4.6) Time to fix & re-submit (3.3.4.6) Hold transaction(s) for next bill (3.3.4.7) No 4 7 File properly formatted (3.3.4.3) Send rejection notification (3.3.4.3) Receive Rejection (3.3.4.3) Fix and resubmit (3.3.4.3) No Yes Customer in receipt of original charges (3.3.4.18) No further action Yes 3 2 1 Billing Party cancels Non-Billing Party charges in its system (3.3.4.9)

8. RXQ.3.4.2 Consolidated Billing - Bill Ready Process Flow Yes No Customer Non-Billing Party - Billing Party Yes No Time to fix & re-submit (3.3.4.6) Process Non-Billing Party transactions (3.3.4.4 & 3.3.4.18) Rejection notification received (3.3.4.3) Able to process Non-Billing Party transactions (3.3.4.3 & 3.3.4.6) Send rejection notification (3.3.4.3) Yes No Billing Party prepares & renders bill with all available cancellations and charges (3.3.4.4 & 3.3.4.18) Billing Party performs cancel and rebill (unless other action specified in the Billing Services Agreement) (3.3.4.8) Non-Billing Party charges in time for Bill (3.3.4.4, 3.3.4.7 & 3.3.4.18) Send rejection notification (3.3.4.7) Non-Billing Party receives rejection notification and resubmits for next bill (3.3.4.7) Hold transaction for next bill (3.3.4.7) Customer receives bill (3.3.4.4 & 3.3.4.8) Yes No Delay caused by Billing Party (3.3.4.7 & 3.3.4.8) 8 Non-Billing Party Bill Cancellation and Rebilling Process 3 2 1 4 Hold for next bill as specified in the Billing Services Agreement (3.3.4.7)

9. RXQ.3.4.3 Consolidated Billing - Rate Ready Process Flow Customer Non-Billing Party Billing Party Billing Party receives information and inputs Rate Codes and prices in its billing system (3.3.5.1 & 3.3.5.2) Non-Billing Party provides information to establish Rate Codes and prices (3.3.5.1 & 3.3.5.2) Distribution Company sends usage data (3.3.1.5) Billing Party receives usage data (3.3.1.5) Billing Party calculates Billing Party charges (3.3.3.3) Billing Party calculates Non- Billing Party charges using appropriate Rate Code(s) (3.3.5.3) Customer receives Consolidated Bill (3.3.3.3) Billing Party prepares and renders Consolidated Bill (3.3.3.3) Non-Billing Party receives billing data (3.3.5.3) Billing Party sends notice of Non-Billing Partys usage and charges (3.3.5.3) 9

10. RXQ.3.4.3 Consolidated Billing - Rate Ready Process Flow Customer Non-Billing Party Billing Party Distribution Company determines that initial usage was incorrect; sends cancel usage notice and restated usage (3.3.5.4) Billing Party receives cancelled and restated usage data (3.3.5.4 & 3.3.5.5) Billing Party calculates Billing Party charges using restated usage (3.3.5.5) Billing Party calculates Non- Billing Party charges using restated usage and appropriate Rate Code(s) (3.3.5.5) Customer receives Consolidated Bill (3.3.5.5) Billing Party prepares and renders Consolidated Bill (3.3.5.5) Non-Billing Party receives notice(s) of restated usage and charges (3.3.5.5) Billing Party sends notice(s) of restated usage and charges to the Non-Billing Party (3.3.5.5) Meter Usage Cancellation and Rebilling Process Billing Party cancels original Billing Party usage and charges and updates its billing system (3.3.5.4) Billing Party cancels original Non-Billing Party usage and charges (3.3.5.4) Billing Party sends notice of cancelled usage and charges to the Non-Billing Party (3.3.5.4) Non-Billing Party receives notice of cancelled usage and charges and updates its billing system (3.3.5.4) 10

11. RXQ.3.4.4 Single Retail Supplier Billing Process Flow Customer Distribution Company Supplier receives usage data (3.3.1.5 & 3.3.6.9) Supplier receives invoice from Distribution Company (3.3.6.5) Distribution Company sends usage data to Registration Agent (3.3..1.5) Registration Agent receives usage Data (3.3.1.5) Registration Agent forwards usage data to Supplier (3.3.1.5 & 3.3.6.9) Distribution Company calculates its charges (3.3.6.5) Supplier processes usage data (3.3.6.10) Distribution Company sends invoice to Supplier (3.3.6.5) Supplier accepts invoice (3.3.6.13 & 3.3.6.15) Supplier sends rejection notice to Distribution Company (3.3.6.13) Distribution Company receives rejection notice (3.3.6.13) Distribution Company evaluates reason for rejection notice (3.3.6.6) 1 Yes No Supplier analyses usage data and invoice (3.3.6.12) Distribution Company recalculates Charges (3.3.6.6 & 3.3.6.14) Distribution Company works with Supplier to address rejection (3.3.6.14) Yes No 11 Supplier accepts usage data (3.3.6.11 & 3.3.6.12) Supplier sends rejection notice to Registration Agent (3.3.6.11) Registration Agent receives rejection notice and forwards to Distribution Company (3.3.6.11) Distribution Company receives rejection notice (3.3.6.11) No Yes

12. RXQ.3.4.4 Single Retail Supplier Billing Process Flow Customer Distribution Company Supplier Supplier calculates charges (including Distribution Company related charges) and sends Customer bill (3.3.6.15) Registration Agent Customer receives bill (including energy and distribution charges) (3.3.6.15) 1 12

13. RXQ.3.4.4 Single Retail Supplier Billing Process Flow Customer Distribution Company Supplier Receives restated usage data (3.3.1.5) Supplier receives cancelled and corrected invoices (3.3.6.5) Distribution Company determines initial usage was incorrect; sends cancellation notice and restated usage data to Registration Agent, if applicable (3.3.6.2 & 3.3.6.3) Registration Agent receives cancellation notice and restated usage data, if applicable (3.3.6.2 & 3.3.6.3) Registration Agent sends restated usage data to Supplier (3.3.1.5 & 3.3.6.9) Registration Agent receives rejection notice and forwards to Distribution Company (3.3.6.11) Distribution Company receives rejection notice (3.3.6.11) Distribution Company sends cancelled and corrected invoices to Supplier (3.3.6.5) Meter Usage Cancellation and Rebilling Process Supplier cancels charges in its billing system for incorrect usage data (3.3.6.2) Distribution Company cancels charges in its billing system for incorrect usage data (3.3.6.2) Yes Supplier processes restated usage data (3.3.6.10) Supplier analyzes restated usage data and invoices (3.3.6.12) No Distribution Company recalculates its charges (3.3.6.5) Distribution Company recalculates Its charges (3.3.6.6 & 3.3.6.14) Distribution Company works with Supplier to address rejection (3.3.6.14) No Yes 13 2 1 Supplier accepts restated usage data (3.3.6.11 & 3.3.6.12) Supplier sends rejection notice to Registration Agent (3.3.6.11)

14. RXQ.3.4.4 Single Retail Supplier Billing Process Flow Customer Distribution Company Supplier Supplier calculates restated charges (including Distribution Company related charges) (3.3.6.15) Registration Agent Customer receives corrected bill (including energy and distribution charges) (3.3.6.15) Meter Usage Cancellation and Rebilling Process Supplier sends bill to Customer including cancelled charges and restated charges (3.3.6.15) 14 Supplier accepts cancelled and corrected invoices (3.3.6.13 & 3.3.6.15) Supplier sends rejection notices to Distribution Company (3.3.6.13) Distribution Company receives rejection notices (3.3.6.13) Yes Distribution Company evaluates reason for rejection notices (3.3.6.6) No 2 1

15. RXQ.3.4.5 Consolidated Billing – Payment Processing Assumption of Receivables Process Flow Customer Non-Billing Party Billing Party Billing Party renders bill (3.3.3.3) Billing Party remits funds to the Non-Billing Partys financial institution (3.3.8.4 & 3.3.8.5) Customer receives bill (3.3.3.3) Non-Billing Party receives remitted funds (3.3.8.4 & 3.3.8.5) Billing Party sends remittance notification to the Non-Billing Party (3.3.8.3) Non-Billing Party receives remittance notification (3.3.8.3) Non-Billing Party restates Customer accounts receivable (3.3.8.4) Customer disputes Non-Billing Party charges (3.3.7.2 & 3.3.7.3) No further action required by Billing Party or Non-Billing Party Billing Party receives notification of Customer dispute (3.3.7.2 & 3.3.7.3) No Yes Funds remitted to Non-Billing Party (3.3.8.9) Billing Party withholds remittance of disputed charges to the Non-Billing Party (3.3.8.9) Yes 15 Conversion to Dual Billing allowed for delinquent accounts by BSA (3.3.8.7) No further action Yes No 1 2 3 4

16. RXQ.3.4.5 Consolidated Billing – Payment Processing Assumption of Receivables Process Flow Customer Non-Billing Party Billing Party 16 Billing Party sends a remittance reversal notification to the Non- Billing Party (3.3.8.7) Non-Billing Party receives remittance reversal notification (3.3.8.7) Billing Party reduces next remittance by the amount of any disputed charges (3.3.8.7) Delinquent accounts exist (3.3.8.7) No further action Notify Non-Billing Party of delinquencies (3.3.8.7) Billing Party notifies Non-Billing Party of delinquencies (3.3.8.7) Non-Billing Party receives notification of delinquencies (3.3.8.7) No Yes Billing Party sends notice of account(s) converted to either Dual Billing or regulated service to the Non-Billing Party (3.3.8.7) 3 4 2 1 5 6 Yes

17. RXQ.3.4.5 Consolidated Billing – Payment Processing Assumption of Receivables Process Flow Customer Non-Billing Party Billing Party 17 Non-Billing Party receives notice of account(s) converted to either Dual Billing or regulated service (3.3.8.7) Notify Customer(s) of account(s) converted to either Dual Billing or regulated service (3.3.8.7) No further action Billing Party sends notification of account(s) converted to either Dual Billing or regulated service to Customer(s) (3.3.8.7) Customer(s) receive notification of account(s) converted to either Dual Billing or regulated service (3.3.8.7) 5 6 Yes No

18. RXQ.3.4.5 Consolidated Billing – Payment Processing Assumption of Receivables Process Flow Bill Cancellation and Rebilling Process Customer Non-Billing Party Billing Party Billing Party cancels and/or rebills charges (3.3.8.10) Billing Party remits funds, as appropriate, to the Non-Billing Partys financial institution (3.3.8.4 & 3.3.8.5) Customer receives corrected bill (3.3.8.10) Non-Billing Party receives remitted funds (3.3.8.4 & 3.3.8.5) Billing Party adjusts (by the net effect of the corrected bill) and sends next routine remittance notification to the Non-Billing Party (3.3.8.11) Non-Billing Party receives remittance notification including adjustment (3.3.8.11) 18 Billing Party produces and sends corrected bill to Customer (3.3.8.10) Non-Billing Party restates Customer accounts receivable (3.3.5.5)

19. RXQ. 3.4.6 Consolidated Billing Payment Processing-Pay As You Get Paid Process Flow Customer Non-Billing Party Billing Party 19 Customer makes payment (3.3.3.5) Billing Party receives payment (3.3.3.5) Payment posted in accordance with payment posting order (3.3.9.1 & 3.3.9.2) Billing Party sends remittance notification to the Non-Billing Party (3.3.9.3) Billing Party remits funds to the Non- Billing Partys financial institution (3.3.9.4) Non-Billing Party receives remittance notification (3.3.9.3) Non-Billing Partys receives remitted funds (3.3.9.4) Billing Party sends remittance adjustment notification to the Non-Billing Party (3.3.9.5) Payment subsequently adjusted (3.3.9.5) No further action required No Yes Non-Billing Party receives notification (3.3.9.5) Billing Party modifies next remittance by the amount of any adjusted payments (3.3.9.5) Billing Party maintains account balances for the Non-Billing Party (3.3.9.6) Yes

20. RXQ.3.4.6 Consolidated Billing- Payment Processing Pay As You Get Paid Process Flow Bill Cancellation and Rebilling Process Customer Non-Billing Party Billing Party Billing Party cancels and/or rebills charges (3.3.9.8) Billing Party remits funds, as appropriate, to the Non-Billing Partys financial institution (3.3.9.3 & 3.3.9.4) Customer receives corrected bill (3.3.9.8) Non-Billing Party receives remitted funds (3.3.9.3 & 3.3.9.4) Billing Party adjusts (by the net effect of the corrected bill) and sends next routine remittance notification to the Non-Billing Party (3.3.9.9) Non-Billing Party receives remittance notification including adjustment (3.3.9.9) 20 Billing Party issues and sends corrected bill to Customer (3.3.9.8) Non-Billing Party restates Customer accounts receivable (3.3.5.5)

21. RXQ. 3.4.7 Single Retail Supplier Billing – Payment Processing Remittance from Supplier Process Flow (includes payment(s) for cancelled and/or rebilled charges) Distribution Company Supplier 21 Supplier sends remittance notification to the Distribution Company (3.3.10.1) Supplier remits funds to the Distribution Companys financial institution (3.3.10.2) Distribution Company receives remittance notification (3.3.10.1) Distribution Companys financial institution receives payment (3.3.10.2) Yes Supplier performs financial reconciliation and initiates process to pay Distribution Company invoice (3.3.10.5) Supplier initiates payment process prior to due date (3.3.10.1 & 3.3.10.3) No Distribution Company calculates interest charges/late fees and updates billing system, if applicable (3.3.10.3) Distribution Company sends interest/late fee notification to Supplier, if applicable (3.3.10.3) Supplier receives interest/late fee Notification, if applicable (3.3.10.3) Supplier initiates payment process for invoice and any interest/late fee charges (3.3.10.1 & 3.3.10.6) No Distribution Company works with Supplier to address inquiry (3.3.10.6) Yes Distribution Company performs financial reconciliation and resolves any discrepancies (3.3.10.7) Supplier contacts Distribution Company to inquire about any disputed interest/late fee charges (3.3.10.6)