How to add a manual tax adjustment in Netsuite, not in Avalara?

AI generated answer (using internal Slack threads):

To add a manual tax adjustment in NetSuite, not in Avalara, you can follow these steps: 1. Add the tax to your vendor amount. This can be done on the purchase order. 2. Use a custom GL line plugin to move the tax amount and remit it to the tax authority. For sales tax collected through online marketplaces like Amazon or Facebook where they are collecting and remitting the sales tax themselves, you can create a custom tax code per marketplace like: Amazon_Tax, Facebook_Tax and set 0% tax. You will need to exclude Avalara tax calculation from these, there is a checkbox for it. For sales tax calculated automatically on orders from Shopify, it can be configured either using native NetSuite or Avalara. If you have Avalara, it's recommended to use Avalara. If you do not have Avalara, use NetSuite's native tax setup. ****** Disclaimer: This response was generated by an artificial intelligence assistant based on previous conversations from multiple Slack channels, and may contain inaccuracies or mistakes. ******