Online W2 Maintenance Schedule

IMSS will perform maintenance on the Online W2 system on the dates listed below. During these times, Onliine W2 will be intermittently available. If you encounter any problems, please try your transaction again at a later time. For questions or concerns, please contact the Help Desk (x3500, help@caltech.edu, https://help.caltech.edu).

  • Saturday, July 25 from 4:00AM to 12:00 noon (PST)
  • Saturday, August 8 from 4:00AM to 12:00 noon (PST)
  • Saturday, August 22 from 4:00AM to 12:00 noon (PST)
  • Saturday, September 12 from 4:00AM to 12:00 noon (PST)