California Code, Civil Code - CIV § 1749.8

(a) “Consumer product” means tangible personal property that is distributed in commerce and normally used for personal, family, or household purposes, including property intended to be attached to or installed in real property regardless of whether it is actually attached or installed.

(b) “High-volume third-party seller” means a third-party seller on an online marketplace who, in any continuous 12-month period during the previous 24 months, has entered into 200 or more discrete transactions utilizing the online marketplace for the sale of new or unused consumer products to buyers located in California resulting in the accumulation of an aggregate total of five thousand dollars ($5,000) or more in gross revenues.

(c) “Online marketplace” means a consumer-directed, electronically accessed platform that includes features that allow for, facilitate, or enable a third-party seller to engage in the sale, purchase, payment, storage, shipment, or delivery of a consumer product in this state.

(d) “Third-party seller” means a person or entity, independent of an online marketplace, who sells, offers to sell, or contracts with an online marketplace to sell a consumer product in the state by utilizing an online marketplace.

(e) “Verify” means to confirm that information provided to an online marketplace pursuant to this title is accurate. Methods of confirmation include the use of one or more methods that enable the online marketplace to reliably determine that the information and documents are valid, correspond to the seller or an individual acting on the seller's behalf, are not misappropriated, and are not falsified.

(f) This section shall become operative on July 1, 2025.