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Change the number of decimal places on taxes/currency

It is possible to setup 3 decimal places in the tax percents (rather than the 2 default) with a small database adjustment.

Follow these steps:

1. Make a full backup of the system files and database.
2. Open phpMyAdmin, we need to change 3 database tables.
3. Choose the ucm_quote_tax database table and click "Structure"
4. Click "Change" next to "percent" 
5. Adjust the "Length" value from 10,2 to 10,3 and click "Save"
6. Repeat this process for the ucm_invoice_tax database table (change "percent" length from 10,2 to 10,3)
7. Repeat this process for the ucm_job_tax database table (change "percent" length from 10,2 to 10,3)
8. Login to UCM and go to Settings > Advanced and change tax_decimal_places from 2 to 3 
   (if you don't see tax_decimal_places then please upgrade to the latest version and then open up an invoice)