How to change c form?

viral shah (finance Executive) (36 Points)

09 February 2013  

Dear Sir


I am working with very good chemical company... I required one solution. If  i have filled monthly return for sales tax. and after qtr end some c forms are generated for outside purchase and out of thoes c form if i required any correction like invoice no. date and registeration number than what would be the process to change the c form from govt....?


can any one explain about this?



Viral Shah