TT #241 · Parshas Tazria · Aliyah 7 · Passuk 45
English: As for the person afflicted with tzaraas, his garments shall be torn, his head shall be unkempt, he shall cover his upper lip, and he shall call out, “Impure! Impure!”
Torah Temimah cites Moed Katan 15a for this teaching on the metzora’s public conduct and ritual status.
English: The phrase “his garments shall be torn” is interpreted to require torn garments.
Textual derivation
The Sifra interprets the garment requirement as actual tearing.