Moving protocol version from request line into "protocol" attribute.
Adding "host" attribute.
Changing "501 Not Implemented" to "405 Command Not Allowed".
Removing "424 Cannot Reduce Released Amount", using "409 Conflict" instead.
Changing "505 Protocol Version Not Supported" to "424 Protocol Version Not Supported".
Adding "425 Unsupported Pattern".
Simplified 'updatetransfer' command parameters.
Using hostname usd.bank.com