public static function init_address_fields() {

		self::$billing_fields = apply_filters(
			'woocommerce_admin_billing_fields',
			array(
				'first_name' => array(
					'label' => __( 'First name', 'woocommerce' ),
					'show'  => false,
				),
				'last_name'  => array(
					'label' => __( 'Last name', 'woocommerce' ),
					'show'  => false,
				),
				'company'    => array(
					'label' => __( 'Company', 'woocommerce' ),
					'show'  => false,
				),
				'address_1'  => array(
					'label' => __( 'Address line 1', 'woocommerce' ),
					'show'  => false,
				),
				'address_2'  => array(
					'label' => __( 'Address line 2', 'woocommerce' ),
					'show'  => false,
				),
				'city'       => array(
					'label' => __( 'City', 'woocommerce' ),
					'show'  => false,
				),
				'postcode'   => array(
					'label' => __( 'Postcode / ZIP', 'woocommerce' ),
					'show'  => false,
				),
				'country'    => array(
					'label'   => __( 'Country / Region', 'woocommerce' ),
					'show'    => false,
					'class'   => 'js_field-country select short',
					'type'    => 'select',
					'options' => array( '' => __( 'Select a country / region…', 'woocommerce' ) ) + WC()->countries->get_allowed_countries(),
				),
				'state'      => array(
					'label' => __( 'State / County', 'woocommerce' ),
					'class' => 'js_field-state select short',
					'show'  => false,
				),
				'email'      => array(
					'label' => __( 'Email address', 'woocommerce' ),
				),
				'phone'      => array(
					'label' => __( 'Phone', 'woocommerce' ),
				),
			)
		);

		self::$shipping_fields = apply_filters(
			'woocommerce_admin_shipping_fields',
			array(
				'first_name' => array(
					'label' => __( 'First name', 'woocommerce' ),
					'show'  => false,
				),
				'last_name'  => array(
					'label' => __( 'Last name', 'woocommerce' ),
					'show'  => false,
				),
				'company'    => array(
					'label' => __( 'Company', 'woocommerce' ),
					'show'  => false,
				),
				'address_1'  => array(
					'label' => __( 'Address line 1', 'woocommerce' ),
					'show'  => false,
				),
				'address_2'  => array(
					'label' => __( 'Address line 2', 'woocommerce' ),
					'show'  => false,
				),
				'city'       => array(
					'label' => __( 'City', 'woocommerce' ),
					'show'  => false,
				),
				'postcode'   => array(
					'label' => __( 'Postcode / ZIP', 'woocommerce' ),
					'show'  => false,
				),
				'country'    => array(
					'label'   => __( 'Country / Region', 'woocommerce' ),
					'show'    => false,
					'type'    => 'select',
					'class'   => 'js_field-country select short',
					'options' => array( '' => __( 'Select a country / region…', 'woocommerce' ) ) + WC()->countries->get_shipping_countries(),
				),
				'state'      => array(
					'label' => __( 'State / County', 'woocommerce' ),
					'class' => 'js_field-state select short',
					'show'  => false,
				),
			)
		);
	}