He should ask the person at the community college who deals with IGETC about it.
Since you did not name the community college, it is hard for others to help you in terms of finding documents like the following:
https://www.deanza.edu/counseling/documents/ge_igetc.pdf
http://alameda.peralta.edu/articulation/files/2018/01/COA_IGETC-2017-18.pdf
https://www.smc.edu/StudentServices/TransferServices/AreasofStudy/Documents/igetc.pdf
https://www.dvc.edu/enrollment/counseling/pdfs/17-18%20IGETC%20final%203-24-2018.pdf
https://www.cabrillo.edu/services/articulation/documents/igetcaastudhdout.pdf