Uc davis transfer question major related help

Does anyone know if you can change from an economics major to math once you transfer to UC Davis? How hard would it be? Is it possible? I heard I just have to sign some paper work and that UC Davis was the most easy going out of the UC’s that would let you change majors.

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From the UC Davis website:
Changing Your Major::::
Admitted students may request a change of major after their first quarter at UC Davis. Major changes are granted at the discretion of academic departments and colleges, and typically require that you complete program-specific requirements before entering the major.

Change of Major Within the College of Letters and Sciences::::
Students planning to change from one major to another major within the same college must be approved by an advisor of the major they are leaving, endorsed by an advisor of the new proposed major, and requires the dean’s office for approval.