That's great advice...look over your disclosure for anything that could be a source of improvement and do it all at once. Oh, yeah, if you've done away with your cut-off time, delete that reference too.
Changes require customer notices. Those that are negative, 30 days in advance. Those that are positive, 30 days in arrears.
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Try? There is "do" and "do not," there is no "try." Yoda