During Item import in Production Environment from PHP code everytime the error is throwing up that "Company Id not found". Same code is working as expected in Avalara Development Environment.
Avatax SDK - PHP
Make sure all the urls are correctly pointintg to the Avatax Production account in https:<wbr/>//avatax.avalara.net<wbr/>/Account<wbr/>/AccountSvc.wsdl.
in https:<wbr/>//avatax.avalara.net<wbr/>/Account<wbr/>/AccountSvc.wsdl some urls are pointing to development account and some production account.