Form C declarations obsolete: specified Form C documents declared invalid for tax compliance, effective from issue dates. Under sub rule (13) of rule 5 of the Central Sales Tax (Delhi) Rules, 2005 the notification declares specified Form C declarations issued from the Rajouri Garden address obsolete and invalid for all purposes from their dates of issue, listing recipient dealers, form types, tax periods and declared values; the departmental notice communicates that the listed documentary instruments cannot be relied upon for statutory or tax compliance purposes.