It was not legally enforced but it was socially enforced trough stores refusing to sell them to you and mothers calling you a whore if they find them in your room.
This source is paired with multiple posts on r/XYchromosomes where their mothers associates tampons with being sexually active and an anecdote from Jo Brand on QI where she casually talks about having to use disgusting rags because the store would not sell her tampons.
It was not legally enforced but it was socially enforced trough stores refusing to sell them to you and mothers calling you a whore if they find them in your room.
https://feddit.nu/comment/9831035
This source is paired with multiple posts on r/XYchromosomes where their mothers associates tampons with being sexually active and an anecdote from Jo Brand on QI where she casually talks about having to use disgusting rags because the store would not sell her tampons.