STScI logo JWSTbanner

JWST Change Request

Minor change requests

Minor change requests are handled by sending email to your program coordinator.

Major change requests

Major change requests require a formal change request form submitted to the Telescope Time Review Board (TTRB).

For descriptions of minor and major change requests, see the JWST Observing Program Modification Policy.

More information on the policies and procedures for submitting change requests can be found in Policies for the Telescope Time Review Board (TTRB).

Proceed With Major Change Request