Filter Hook: Round all taxes to precision (4DP) before passing them back. Note, this is not the same rounding as in the cart calculation class which, depending on settings, will round to 2DP when calculating final totals. Also unlike that class, this rounds .5 up for all cases.
Source: includes/class-wc-tax.php:176
Method: Searches for all matching country/state/postcode tax rates.
Source: includes/class-wc-tax.php:222
Filter Hook: Round all taxes to precision (4DP) before passing them back. Note, this is not the same rounding as in the cart calculation class which, depending on settings, will round to 2DP when calculating final totals. Also unlike that class, this rounds .5 up for all cases.
Source: includes/class-wc-tax.php:252
Method: Searches for all matching country/state/postcode tax rates.
Source: includes/class-wc-tax.php:261
Method: Does the sort comparison. Compares (in this order): – Priority – Country – State – Number of postcodes – Number of cities – ID
Source: includes/class-wc-tax.php:289
Class: Performs tax calculations and loads tax rates
Source: includes/class-wc-tax.php:17
Method: Load options.
Source: includes/class-wc-tax.php:36
Method: When the woocommerce_tax_classes option is changed, remove any orphan rates.
Source: includes/class-wc-tax.php:48
Method: Calculate tax for a line.
Source: includes/class-wc-tax.php:68
Filter Hook: Tax calculation and rate finding class.
Source: includes/class-wc-tax.php:72