Souke/domain/Config/TaxRate/TaxRate.php

<?php

namespace domain\Config\TaxRate;

use common\components\ActiveRecordCommon;

class TaxRate extends ActiveRecordCommon
{
    /**
     * @inheritdoc
     */
    public static function tableName()
    {
        return 'tax_rate';
    }

    /**
     * @inheritdoc
     */
    public function rules()
    {
        return [
            [['value'], 'number'],
            [['name'], 'string', 'max' => 255],
        ];
    }

    /**
     * @inheritdoc
     */
    public function attributeLabels()
    {
        return [
            'id' => 'ID',
            'name' => 'Nom',
            'value' => 'Valeur (0.2 pour 20%)',
        ];
    }
}