California Sales Tax for Veterinarians - Out-of-State Purchases
In general, if you purchase taxable merchandise from a retailer located outside the state without paying California tax, and use the merchandise for a purpose other than for resale (including use as a consumer), the purchase is subject to use tax and must be reported. Source: California Department of Tax & Fee Administration (CDTFA) Course: https://salestaxsolutions2000.com/california-sales-tax-veterinarians