229. No objection made to the form or based upon the omission of any formality, even peremptory, shall be admitted in any action, suit or procedure respecting a matter to which this Act applies, unless a real injustice results from the dismissal of such objection or the omission of the formality entails nullity under an express provision of this Act.
No person who has complied with a notice or has become sufficiently acquainted in any way regarding the content or object of the notice shall subsequently invoke insufficiency or defect in the form of the notice, or the failure to publish, to send or to serve the notice.