I set up an additional To Be Deposited A/C for our US$ sales; cleared to 0 with each $US bank deposit. However, the Trial Bal is accumulating DR amount growing each yr.

Hi jsbobs400,

Welcome to Community!  The issue you've described has been encountered by other QuickBooks Online customers.  Our Development Team is currently investigating the issue.  Although we don't have an ETA for resolution, I encourage you to contact us outside of Community, so we can set you up for status updates, as they come available. 

If you have any other questions, feel free to reach back out.  We would be happy to help!