INIT CXX/FXX/IXX/LXX/WXX/Data Area › INIT CXX (Format Directory) › When to Use › Restriction
Make certain that the MUF is down before initializing the CXX. If the MUF is up, bring it down with an EOJ before initializing the CXX. You can bring the MUF back up after the CXX has been initialized.
