Sign Up to be an Interpreter

Register with CTS LanguageLink for HCA/DSHS appointments

Complete the following information and Email to:
Fax to: 855-830-4590
Mail to:

CTS LanguageLink
Attention: Interpreter Relations
701 NE 136th Ave., Suite 200
Vancouver, WA 98684

  1. Your valid Washington State Unified Business Identifier (UBI). If you don’t already have one, get instructions on applying for the $15 UBI here.
  2. Copy of your DSHS certificate(s) and/or authorization letter(s).
  3. Copy of a valid Driver’s License and vehicle insurance if you will be requesting mileage reimbursement.
  4. Copy of a signed DSHS Code of Ethics (PDF).
  5. Copy of a completed W-9 form (PDF).
  6. Copy of a current background check if one was not performed within the past year. Request a background check here.
  7. Sign up for direct deposit (PDF).

Have additional questions?

Detailed answers to most questions can be found in the Interpreter’s Frequently Asked Questions.