Variant of CIP 2016 - Cannabis STEM and BHASE groupings
- a - STEM
- a.1 - Science and science technology
- a.11 - Physical and chemical sciences
- 40. - Physical sciences
- 40.08 - Physics
- 40.0801 - Physics, general
- 40.0802 - Atomic/molecular physics
- 40.0804 - Elementary particle physics
- 40.0805 - Plasma and high-temperature physics
- 40.0806 - Nuclear physics
- 40.0807 - Optics/optical sciences
- 40.0808 - Condensed matter and materials physics
- 40.0809 - Acoustics
- 40.0810 - Theoretical and mathematical physics
- 40.0899 - Physics, other
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