"Strict prohibition" refers to a strong and firm rule or law that completely forbids or bans something without any exceptions or leeway. It means that the specific activity or action is not allowed under any circumstances. Full definition
As House education committee chair John Kline put it, «We spent about fifty pages in this bill putting very strict prohibitions on what the secretary can and can not do.» (educationnext.org)
Many professions regulated under the Regulated Health Professions act have very strict prohibitions against dating a current and even former patient. (mannlawyers.com)
«We spent about 50 pages in this bill putting very strict prohibitions on what the secretary can and can not do,» he said in a phone interview. (theatlantic.com)