The priest must then examine it after the infection has been washed out, and if ¹  the infection has not changed its appearance ²  even though the infection has not spread, it is unclean. You must burn it up in the fire. It is a fungus, whether on the back side or front side of the article. ³ 

Then if ¹  it still appears again in the garment or the warp or the woof, or in any article of leather, it is an outbreak. Whatever has the infection in it you must burn up in the fire.