Reference for Chullin 269:14

לא הספיק ליתנו לו עד שצבעו פטור

IF THE OWNER DID NOT MANAGE TO GIVE [THE FLEECE TO THE PRIEST] UNTIL IT HAD ALREADY BEEN DYED, HE IS EXEMPT;<span class="x" onmousemove="('comment',' For he has acquired absolute ownership of the wool by the change he had wrought in it. This is regarded as an act of theft and he is exempt from giving it now to the priest, in accordance with R. Hisda's dictum supra 130b.');"><sup>8</sup></span>