MA H157

Imposes a complete ban on billboard advertising, marketing, and branding for recreational (non-prescription) marijuana in Massachusetts

Maintains the existing 85% adult audience threshold requirement for marijuana advertising on television, radio, internet, and print publications

Changes venue-based advertising restrictions from the 85% audience composition standard to a requirement that entry be restricted to persons 21 years of age or older

Requires warning labels on marijuana advertisements to be "conspicuous"

Amends Chapter 94G, Section 4 of the General Laws governing cannabis regulation