530. If any Magistrate, not being empowered by law in this behalf, does any of the following thins, namely:– (a) attaches and sells property under section 88; (b) issues a search-warrant for a letter, parcel or other thing in the Post Office, or a telegram in the Telegraph Department; (c) demands security to keep the peace; (d) demands security for good behaviour; (e) discharges a person lawfully bound to be of good behaviour; (f) cancels a bond to keep the peace; (g) makes an order under section 133 as to a local nuisance; (h) prohibits, under section 143, the repetition or continuance of a public nuisance; (i) issues an order under section 144; (j) makes an order under Chapter XII; (k) takes cognizance, under section 190, sub-section (1) clause (c), of an offence; (l) passes a sentence, under section 349, on proceedings recorded by another Magistrate; (m) calls, under section 435, for proceedings; (n) makes an order for maintenance; (o) revises, under section 515, an order passed under section 514; (p) tries an offender; (q) tries an offender summarily; or (r) decides an appeal; his proceedings shall be void.