AWS announces preview of AWS Interconnect - multicloud

AWS announces AWS Interconnect – multicloud (preview), providing simple, resilient, high-speed private connections to other cloud service providers. AWS Interconnect - multicloud is easy to configure and provides high-speed, resilient connectivity with dedicated bandwidth, enabling customers to interconnect AWS networking services such as AWS Transit Gateway, AWS Cloud WAN, and Amazon VPC to other cloud service providers with ease.

How can I add our VAT number on the account page?

We would like to know how we can change our account tax information and, specifically, add our VAT number (mistakenly not entered at the time of registration). Thanks in advance for help.