function maybe_display_paystack_notice() {

		// Bail if we aren't in Tickets > Settings.
		if ( \Tribe\Tickets\Admin\Settings::$settings_page_id !== tribe_get_request_var( 'page' ) ) {
			return;
		}

		// Bail if Paystack plugin is installed and activated.
		if ( class_exists( 'paystack\tec\classes\Core', false ) ) {
			return;
		}

		// Bail if we aren't in the correct timezone.
		$timezone = get_option( 'timezone_string' );
		$paystack_timezones = [
			'Africa/Lagos',
			'Africa/Accra',
			'Africa/Johannesburg',
		];
		if ( ! in_array( $timezone, $paystack_timezones, true ) ) {
			return;
		}

		$heading = _x(
			'Sell tickets with Paystack',
			'heading for Paystack notice',
			'event-tickets'
		);

		$learn_more_link = sprintf(
			'<a target="_blank" rel="noopener nofollow" href="%s">%s</a>',
			esc_attr( 'https://evnt.is/et-tc-paystack-in-app' ),
			esc_html__( 'Learn more', 'event-tickets' )
		);

		$text = _x(
			sprintf(
				// Translators: %s: dynamic "Learn more" link.
				'Install and activate the Paystack for The Events Calendar plugin to start selling tickets with Paystack using our free commerce solution, Tickets Commerce. %s',
				$learn_more_link
			),
			'text for Paystack notice',
			'event-tickets'
		);

		$message = sprintf(
			'<h3>%1$s</h3><p>%2$s</p>',
			esc_html( $heading ),
			wp_kses( $text, 'post' )
		);

		tribe_notice(
			'event-tickets-commerce-paystack-notice',
			$message,
			[
				'dismiss' => true,
				'type'    => 'warning',
			]
		);

	}