Sisters in Crime (SINC) In Brief Year Formed: 1990 Tax Code Designation: 501(c)(6) (See NCCS) Incorporation State: New Jersey Employer Identification Number: 58-1935531 Home Page: http://www.sistersincrime.org/ ByLaws: http://www.sistersincrime.org/?page=9 Additional Resources National Center for Charitable Statistics ProPublica Nonprofit Explorer GuideStar