TT #100 · Parshas Tazria · Aliyah 2 · Passuk 6
English: And the kohen shall see him on the seventh day a second time. And, behold! the lesion has become dimmer, and the lesion has not spread on the skin, the kohen shall pronounce him clean. It is a mispachath. He shall immerse his garments and become clean.
Chabad.org — Chumash, English translation + Rashi for Vayikra 13:6
Torah Temimah cites Sifra (Toras Kohanim) for the limits of impurity transmission after the person’s status changes.
Sifra — Vayikra 13, Midrash Sefer
English: “He shall wash his garments”—he no longer imparts impurity to bedding or seating, nor through entry into a house.
Textual derivation
After the relevant purification, the person no longer transmits impurity through bedding or seating or by entering a house.