Some throwing weapons are illegal to import, or possess in some parts of our Kingdom. Mundane law which applies to the possession and use of throwing weapons applies at all times. You will need to investigate the legalilty of the weapon you wish to use in your state/territory/country.
Lochac’s Target Archery and Thrown Weapons Rules can be found on the Rules Wiki.
Lochac’s rules are based on the current Society thrown weapons rules.