Tax solution for British Columbia, Canada to be used with Paid Memberships Pro

pmpro-custom-tax.php

<?php
/*
Plugin Name: PMPro Custom Tax
Plugin URI: http://www.paidmembershipspro.com/wp/pmpro-customizations/
Description: Customizations for PMPro
Version: .1
Author: Stranger Studios
Author URI: http://www.strangerstudios.com
*/
/*  
  Tax solution for a fixed tax rate calculation (13%)
  
  Edit as needed, then save this file in your plugins folder and activate it through the plugins page in the WP dashboard.
*/ 

// Add tax info to cost text.
function customtax_pmpro_tax($tax, $values, $order)
{  	
	$tax = round((float)$values[price] * 0.13, 2);		
	return $tax;
}

add_filter("pmpro_tax", "customtax_pmpro_tax", 10, 3);

// Add tax specific text to membership level description
function customtax_pmpro_level_cost_text($cost, $level)
{
	//only applicable for levels > 1
	$cost .= " Members will be charged a 13% tax.";
	
	return $cost;
}

add_filter("pmpro_level_cost_text", "customtax_pmpro_level_cost_text", 10, 2);