Before you start your registration, please collect the following items:
Please note that the County will verify the Tax Identification Number (TIN) using IRS TIN Matching program for the TIN and the name on the provided Form W‐9 (or Form W-8 for foreign vendors) matches the IRS records.
If you need assistance, please contact LA County - ISD Vendor Relations:
Hours: Monday - Thursday (7:00 a.m to 5:00 p.m PST)
Email:
ISDVendorRelations@isd.lacounty.gov