Change of REGNUMBER field size on securities market

Dear securities market clients, 
Please note the following addition to the list of changes in the next release (https://www.moex.com/n20628): maximum length of the SECURITIES.REGNUMBER field will be increased from 20 to 30 symbols. 
The length will be increased in the new ASTS Bridge IFCBroker31 interface and in SEM21, SEM30 XML reports. In earlier versions of ASTS Bridge interfaces the field length will remain 20 symbols. 
FIX/FAST and ISS protocols are not affected. 
Updated broker interface will be available on the test server on 28 August 2018.