Supplier Maintenance
ARCHIVES
- Supplier Maintenance Request Guide
- Agency Guide for IRS Form W-9 and Edison 1099 Locations
- Supplier Helpful Hints
- Internal Supplier Registration Getting Started Instructions
- Internal Supplier Registration Agency Submitter Manual
- Internal Supplier Registration Agency Approver Manual
- Internal Supplier Registration Dos and Don'ts
- Internal Supplier Registration Workflow
- Supplier Maintenance General IRS W-9 Requirements
- Supplier Maintenance IRS W-9 Summary Instructional Table
- Supplier Maintenance Remittance Address Documentation Requirements
- Supplier Maintenance Address Standards
- Supplier Maintenance Edison Locations for 1099 Reporting
- Supplier Maintenance FAQs
- Supplier Portal Creating a User Account
- January 23, 2026 Supplier Maintenance CRM for Supplier Updates (non-banking) and inquiries
- October 29, 2025 1099 Reporting Key Updates and Reminders
- March 31, 2025 Safeguarding Supplier Information and Assigned Edison Supplier IDs
- September 24, 2024 New Process for Supplier Direct Deposit Requests
- March 26, 2024 New IRS Form W-9
- June 20, 2022 Supplier Update Form Revisions
- August 30, 2021 Supplier Update Form Revisions and Agency Training Workshops Announcement
- August 3, 2020 Registering New Suppliers, Requesting Updates to Existing Suppliers, and Emergency Request Procedures
ATW # 1 Topic: Supplier Update Form
ATW # 2 Topic: IRS Form W-9
ATW # 3 Topic: Supplier Maintenance Tips & Tricks
ATW # 4 Topic: Statewide Accounting Supplier Maintenance & Accounts Payable Common Inquiries, Useful Queries, and Other Tidbits
ATW # 5 Topic: Supplier Maintenance Reminders & Requirements (Beat the Heat)