The phrase "height requirement" refers to a rule or standard that states a minimum or maximum height is necessary to meet certain qualifications or participate in a specific activity or job. Full definition
This ride has a minimum height requirement of 32 ″ for kids to go on with an adult. (havebabywilltravel.com)
According to the standard, the miniature poodle must «must be 11 to 15 inches at the shoulder» with a minimum height requirement of 10 inches. (dogcare.dailypuppy.com)
The emphasis is on adjustments to the code so that tiny houses can provide loft amenities while meeting strict height requirements for travel. (tinyhousebuild.com)