Inter-state sale certification confirms seller's registration and tax payment or claimed exemption for consigned goods. Form E I is the prescribed certificate under sub section (2) of section 6 to be issued in duplicate by the selling dealer who first moves goods or by the dealer effecting the first inter State sale. It requires seller and purchaser identification, movement origin and destination, invoice and transport particulars, description and value of goods, and particulars of declaration Form C where applicable. The selling dealer must certify registration and that tax has been or will be paid or that no tax was payable due to general exemption or concession; the certificate must be signed, dated and include the signatory's status and address.