(1) M(a): except for licensees & licensee representatives acting in accordance with or under any rule adopted by 475C.005 (Short title) to 475C.525 (Severability of 475C.005 to 475C.525 ), it is unlawful for anyone under 21 to possess, knowingly or intentionally:

(a) an amount of plants in the genus Cannabis within the plant family Cannabaceae in excess of the amount allowed under 475C.305 (applicability of provisions to homegrown plants, cannabinoid products & concentrates, specified possession & delivery)

(b) more than one (1) ounce of usable marijuana in a public place

(c) more than eight (8) ounces of usable marijuana

(d) more than sixteen (16) ounces of cannabinoid products in solid form or cannabinoid concentrates

(e) more than seventy-two (72) ounces of cannabinoid products in liquid form

(f) more than one (1) ounce of cannabinoid extracts

(g) a cannabinoid extract that was not purchased from a marijuana retailer holding a license issued under 475C.097 (Retail license)

(3) F(c): if the amount possessed is:

(a) more than sixteen (16) times the applicable maximum amount specified in (1)(a), (c), (d), (e) or (f)

(b) more than eight (8) pounds of usable marijuana in a public place OR

(c) more than one-quarter (1/4) ounce of cannabinoid extract that was not purchased from a marijuana retailer that holding a license issued under 475C.097 (Retail license)