http://www.in.gov/judiciary/rules/child_support/docs/csow.doc  (forms and info)
 http://www.in.gov/judiciary/childsupport/ (Child Support Worksheet-other forms and calculator at

http://www.in.gov/judiciary/rules/child_support/index.html (Child Support Rules)
http://www.in.gov/judiciary/childsupport/   (Child Support Guidelines-child support calculator and forms at)