Tax Information

  • ECSI is the name of the vendor we use to process and report 1098-T information
  • 1098-T Electronic Notification Process:

To give consent to receive your notification electronically, log in to the SECURE website below using the given information:  If you need any help logging in, please contact ECSI's 1098-T hotline at 866-428-1098.

Website: ECSI

Read information, check the consent box, verify your email address and click the submit button.

ECSI contact information:  1-866-428-1098 or website (1R is CSU San Marcos school code)

If you need to update your social security number or tax ID number please use this form.  

CSUSM Tax Information Contact:
Marietta Kimball
Phone: (760) 750-4492