Custom tax code accounting

First, do not hijack topics. Your question had nothing to do with tax reconciliation. When you bury a question in another topic, you probably will not get answers. So I have moved it to this new topic.

Second, are you sure you need custom tax codes? There are built-in tax codes for more many countries. It is always better to use a built-in code if you can. See this Guide:

Third, if you really need custom tax codes, you still must use the Tax payable account. That is the only way the software will work. So you will have to delete the Sales tax liabilities account you created. Before you can do that, you will have to recategorize every transaction you have ever entered that used it, because Manager will not allow you to delete an account with existing transactions.

Fourth, if your custom tax codes have multiple components or are paid to different tax authorities, see this Guide: