<?xml version="1.0" encoding="UTF-8"?>
<TKKPG>
    <Request>
        <Operation>GetOrderStatus</Operation>
        <Language>RU</Language>
        <Order>
            <Merchant>$merchant</Merchant>
            <OrderID>$orderId</OrderID>
        </Order>
        <SessionID>$sessionId</SessionID>
    </Request>
</TKKPG>