Yes, there is a CA limit for MMIC carriers and non-MMIC carriers.
Non-MMIC Carrier(Recreational): An individual can purchase up to 1 ounce of cannabis flower a day AND up to 8 grams of concentrates & manufactured products, like edibles, a day.
MMIC Carrier(Medical): Individuals with an MMIC can purchase up to 8 ounces of cannabis a day.