; and (iii) a working email address and working phone number for the high-volume third-party seller. (C) A business tax identification number or, if the high-volume third-party seller does not have a business tax identification number, a taxpayer identification number. (D) Whether the high-volume third-party seller is exclusively advertising or offering the consumer product or products on the online marketplace, or if the high-volume third-party seller is currently advertising or offering for sale the same consumer product or products on any other internet websites other than the online marketplace. (2) Ongoing verification (A) The online marketplace shall verify the information provided in paragraph (1) within 3 days, and shall verify within 3 days any changes to such information that is provided to the marketplace by a high-volume third-party seller. If a high-volume third-party seller provides a copy of a valid government-issued tax document, information contained within such tax document shall be presumed to be verified as of the date of issuance of such record or document. (B) The online marketplace shall, on at least an annual basis, notify each high-volume third-party seller on the online marketplace that the seller must inform the online marketplace of any changes to the information provided by the seller pursuant to paragraph (1) within 3 days of receiving the notification and shall instruct each high-volume third-party seller, as part of the notification, to electronically certify either that the seller’s information is unchanged or that the seller is providing changes to the information. If the online marketplace becomes aware that a high-volume third-party seller has neither certified that the seller’s information is unchanged nor has not provided such changed information within 3 days of receiving such notification, the online marketplace shall suspend the high-volume third-party seller’s participation on the marketplace until the seller has either certified that the seller’s information is unchanged