Class Tax_lib

Located at libraries/Tax_lib.php

Methods summary
`public`	# `__construct( )`
`public`	# `get_tax_types( )`
`public`	# `get_item_sales_tax( $quantity, $price, $discount_percentage, $tax_percentage, $rounding_code )`
`public`	# `get_sales_tax_for_amount( $tax_basis, $tax_percentage, $rounding_code, $decimals )`
`public`	# `update_sales_taxes( & $sales_taxes, $tax_type, $tax_group, $tax_rate, $tax_basis, $item_tax_amount, $tax_group_sequence, $rounding_code, $sale_id, $name = '', $tax_code = '' )`
`public`	# `apply_invoice_taxing( & $sales_taxes )`
`public`	# `round_sales_taxes( & $sales_taxes )`
`public`	# `apply_sales_tax( & $item, & $city, & $state, & $sales_tax_code, $register_mode, $sale_id, & $sales_taxes )` Determine the applicable tax code and then determine the tax amount to be applied. If a tax amount was identified then accumulate into the sales_taxes array Determine the applicable tax code and then determine the tax amount to be applied. If a tax amount was identified then accumulate into the sales_taxes array
`public`	# `get_applicable_tax_mode( $register_mode, $city, $state, $sales_tax_code )`
`public`	# `clean( $string )`