ICC B1 retake
Your ICC B1 retake plan, from your score report
ICC reports a scale score, not a score by area, and 75 is the passing scale score. Enter yours and pick the area that felt weakest.
International Code Council retake rules
National exams: up to 6 attempts in 6 months, fee per attempt (ICC PRONTO page)
As published by International Code Council. Check the current rules with them before you book.