287062
Though the specific provisions of these laws vary among states , they all require the registration of all securities offerings and sales , as well as of stockbroker s and brokerage firm s. Each state 's blue sky law is administered by its appropriate regulatory agency , and most also provide private causes of action for private investors who have been injured by securities fraud .
 None
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 None