255 lines
		
	
	
		
			8.9 KiB
		
	
	
	
		
			PHP
		
	
	
	
	
	
			
		
		
	
	
			255 lines
		
	
	
		
			8.9 KiB
		
	
	
	
		
			PHP
		
	
	
	
	
	
<?php
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/*********************************************************************************
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 *
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 * TimeTrex is a Workforce Management program developed by
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 * TimeTrex Software Inc. Copyright (C) 2003 - 2021 TimeTrex Software Inc.
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 *
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 * This program is free software; you can redistribute it and/or modify it under
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 * the terms of the GNU Affero General Public License version 3 as published by
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 * the Free Software Foundation with the addition of the following permission
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 * added to Section 15 as permitted in Section 7(a): FOR ANY PART OF THE COVERED
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 * WORK IN WHICH THE COPYRIGHT IS OWNED BY TIMETREX, TIMETREX DISCLAIMS THE
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 * WARRANTY OF NON INFRINGEMENT OF THIRD PARTY RIGHTS.
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 *
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 * This program is distributed in the hope that it will be useful, but WITHOUT
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 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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 * FOR A PARTICULAR PURPOSE.  See the GNU Affero General Public License for more
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 * details.
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 *
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 *
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 * You should have received a copy of the GNU Affero General Public License along
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 * with this program; if not, see http://www.gnu.org/licenses or write to the Free
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 * Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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 * 02110-1301 USA.
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 *
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 *
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 * You can contact TimeTrex headquarters at Unit 22 - 2475 Dobbin Rd. Suite
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 * #292 West Kelowna, BC V4T 2E9, Canada or at email address info@timetrex.com.
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 *
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 *
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 * The interactive user interfaces in modified source and object code versions
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 * of this program must display Appropriate Legal Notices, as required under
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 * Section 5 of the GNU Affero General Public License version 3.
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 *
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 *
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 * In accordance with Section 7(b) of the GNU Affero General Public License
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 * version 3, these Appropriate Legal Notices must retain the display of the
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 * "Powered by TimeTrex" logo. If the display of the logo is not reasonably
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 * feasible for technical reasons, the Appropriate Legal Notices must display
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 * the words "Powered by TimeTrex".
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 *
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 ********************************************************************************/
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/**
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 * @package PayrollDeduction\US
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 */
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class PayrollDeduction_US_UT extends PayrollDeduction_US {
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	var $state_income_tax_rate_options = [
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		//See state_options below, as they switched to a completely new formula after this date.
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		20080101 => [
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				10 => [
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						[ 'income' => 6600, 'rate' => 0, 'constant' => 0 ],
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						[ 'income' => 8200, 'rate' => 1.0, 'constant' => 0 ],
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						[ 'income' => 11000, 'rate' => 2.0, 'constant' => 0 ],
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						[ 'income' => 14700, 'rate' => 3.0, 'constant' => 0 ],
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						[ 'income' => 21100, 'rate' => 4.0, 'constant' => 0 ],
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						[ 'income' => 39800, 'rate' => 5.0, 'constant' => 0 ],
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						[ 'income' => 39800, 'rate' => 5.0, 'constant' => 0 ],
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				],
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				20 => [
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						[ 'income' => 13200, 'rate' => 0, 'constant' => 0 ],
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						[ 'income' => 16400, 'rate' => 1.0, 'constant' => 0 ],
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						[ 'income' => 22000, 'rate' => 2.0, 'constant' => 0 ],
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						[ 'income' => 29400, 'rate' => 3.0, 'constant' => 0 ],
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						[ 'income' => 42200, 'rate' => 4.0, 'constant' => 0 ],
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						[ 'income' => 79600, 'rate' => 5.0, 'constant' => 0 ],
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						[ 'income' => 79600, 'rate' => 5.0, 'constant' => 0 ],
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				],
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		],
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		20070101 => [
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				10 => [
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						[ 'income' => 2630, 'rate' => 0, 'constant' => 0 ],
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						[ 'income' => 3630, 'rate' => 2.3, 'constant' => 0 ],
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						[ 'income' => 4630, 'rate' => 3.1, 'constant' => 23 ],
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						[ 'income' => 5630, 'rate' => 4.0, 'constant' => 54 ],
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						[ 'income' => 6630, 'rate' => 4.9, 'constant' => 94 ],
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						[ 'income' => 8130, 'rate' => 5.7, 'constant' => 143 ],
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						[ 'income' => 8130, 'rate' => 6.5, 'constant' => 229 ],
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				],
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				20 => [
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						[ 'income' => 2630, 'rate' => 0, 'constant' => 0 ],
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						[ 'income' => 4630, 'rate' => 2.3, 'constant' => 0 ],
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						[ 'income' => 6630, 'rate' => 3.1, 'constant' => 46 ],
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						[ 'income' => 8630, 'rate' => 4.0, 'constant' => 108 ],
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						[ 'income' => 10630, 'rate' => 4.9, 'constant' => 188 ],
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						[ 'income' => 13630, 'rate' => 5.7, 'constant' => 286 ],
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						[ 'income' => 13630, 'rate' => 6.5, 'constant' => 457 ],
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				],
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		],
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		20060101 => [
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				10 => [
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						[ 'income' => 2300, 'rate' => 0, 'constant' => 0 ],
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						[ 'income' => 3163, 'rate' => 2.3, 'constant' => 0 ],
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						[ 'income' => 4026, 'rate' => 3.1, 'constant' => 20 ],
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						[ 'income' => 4888, 'rate' => 4.0, 'constant' => 47 ],
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						[ 'income' => 5750, 'rate' => 4.9, 'constant' => 81 ],
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						[ 'income' => 6613, 'rate' => 5.7, 'constant' => 123 ],
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						[ 'income' => 6613, 'rate' => 6.5, 'constant' => 172 ],
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				],
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				20 => [
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						[ 'income' => 2300, 'rate' => 0, 'constant' => 0 ],
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						[ 'income' => 4026, 'rate' => 2.3, 'constant' => 0 ],
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						[ 'income' => 5750, 'rate' => 3.1, 'constant' => 40 ],
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						[ 'income' => 7476, 'rate' => 4.0, 'constant' => 93 ],
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						[ 'income' => 9200, 'rate' => 4.9, 'constant' => 162 ],
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						[ 'income' => 10926, 'rate' => 5.7, 'constant' => 246 ],
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						[ 'income' => 10926, 'rate' => 6.5, 'constant' => 344 ],
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				],
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		],
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	];
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	var $state_options = [
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			20220501 => [ //01-May-2022
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					'rate'                     => 4.85, //Percent
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					'allowance'                => 0,
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					'base_allowance'           => [
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							10 => 390,
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							20 => 780,
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					],
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					'allowance_reduction'      => [
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							10 => 7774,
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							20 => 15548,
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					],
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					'allowance_reduction_rate' => 1.3, //Percent
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			],
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			20180101 => [
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					'rate'                     => 4.95, //Percent
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					'allowance'                => 0,
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					'base_allowance'           => [
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							10 => 360,
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							20 => 720,
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					],
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					'allowance_reduction'      => [
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							10 => 7128,
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							20 => 14256,
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					],
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					'allowance_reduction_rate' => 1.3, //Percent
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			],
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			20080101 => [ //Completely new formula after this date.
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						  'rate'                     => 5.0, //Percent
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						  'allowance'                => 125,
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						  'base_allowance'           => [
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								  10 => 250,
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								  20 => 375,
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						  ],
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						  'allowance_reduction'      => [
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								  10 => 12000,
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								  20 => 18000,
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						  ],
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						  'allowance_reduction_rate' => 1.3, //Percent
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			],
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	];
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	var $state_ui_options = [
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			20220101 => [ 'wage_base' => 41600, 'new_employer_rate' => null ], //New employer rate varies
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			20210101 => [ 'wage_base' => 38900, 'new_employer_rate' => null ],
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			20200101 => [ 'wage_base' => 36600, 'new_employer_rate' => null ],
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			20190101 => [ 'wage_base' => 35300, 'new_employer_rate' => null ],
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	];
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	function getStateAnnualTaxableIncome() {
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		$income = $this->getAnnualTaxableIncome();
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		Debug::text( 'State Annual Taxable Income: ' . $income, __FILE__, __LINE__, __METHOD__, 10 );
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		return $income;
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	}
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	function getStateAllowanceAmount() {
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		$retarr = $this->getDataFromRateArray( $this->getDate(), $this->state_options );
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		if ( $retarr == false ) {
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			return false;
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		}
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		$allowance_amount = $retarr['allowance'];
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		$retval = bcadd( bcmul( $this->getStateAllowance(), $allowance_amount ), $this->getStateBaseAllowanceAmount() );
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		Debug::text( 'State Allowance Amount: ' . $retval, __FILE__, __LINE__, __METHOD__, 10 );
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		return $retval;
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	}
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	function getStateBaseAllowanceAmount() {
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		$retarr = $this->getDataFromRateArray( $this->getDate(), $this->state_options );
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		if ( $retarr == false ) {
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			return false;
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		}
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		$retval = 0;
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		if ( isset( $retarr['base_allowance'][$this->getStateFilingStatus()] ) ) {
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			$retval = $retarr['base_allowance'][$this->getStateFilingStatus()];
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		}
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		Debug::text( 'State Base Allowance Amount: ' . $retval, __FILE__, __LINE__, __METHOD__, 10 );
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		return $retval;
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	}
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	function getStateAllowanceReductionAmount() {
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		$retarr = $this->getDataFromRateArray( $this->getDate(), $this->state_options );
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		if ( $retarr == false ) {
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			return false;
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		}
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		$allowance_reduction_amount = 0;
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		if ( isset( $retarr['allowance_reduction'][$this->getStateFilingStatus()] ) ) {
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			$allowance_reduction_amount = $retarr['allowance_reduction'][$this->getStateFilingStatus()];
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		}
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		$adjusted_taxable_income = bcsub( $this->getStateAnnualTaxableIncome(), $allowance_reduction_amount );
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		if ( $adjusted_taxable_income > 0 ) {
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			$allowance_reduction_rate = $retarr['allowance_reduction_rate'];
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			$retval = bcmul( $adjusted_taxable_income, bcdiv( $allowance_reduction_rate, 100 ) );
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		} else {
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			$retval = 0;
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		}
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		Debug::text( 'State Allowance Reduction Amount: ' . $retval, __FILE__, __LINE__, __METHOD__, 10 );
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		return $retval;
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	}
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	function _getStateTaxPayable() {
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		$annual_income = $this->getStateAnnualTaxableIncome();
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		$retval = 0;
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		if ( $annual_income > 0 ) {
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			$retarr = $this->getDataFromRateArray( $this->getDate(), $this->state_options );
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			if ( $retarr == false ) {
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				return false;
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			}
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			$gross_tax = bcmul( $annual_income, bcdiv( $retarr['rate'], 100 ) );
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			$allowance_amount = bcsub( $this->getStateAllowanceAmount(), $this->getStateAllowanceReductionAmount() );
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			if ( $allowance_amount < 0 ) {
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				$allowance_amount = 0;
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			}
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			$retval = bcsub( $gross_tax, $allowance_amount );
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		}
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		if ( $retval < 0 ) {
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			$retval = 0;
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		}
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		Debug::text( 'State Annual Tax Payable: ' . $retval, __FILE__, __LINE__, __METHOD__, 10 );
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		return $retval;
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	}
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}
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?>
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