Here are some helpful links to sites you may want to contact:

Common Tax Sites
     Federal tax forms and questions
     California tax forms and questions
     California E.D.D. questions and forms
     California sales tax forms and questions

Other Sites of Interest
     Social security questions
     California Secretary of State
     Verify if a charity is tax-exempt

     Standard Industrial Classification (SIC)

 ​    Consumer Price Index (CPI):

​         U.S Overall

​         Los Angeles Metropolitan