Reference for Eruvin 204:10

ורטיה עצמה לא יקנח מפני שהוא ממרח ואם מירח חייב חטאת

BUT NOT IN THE COUNTRY.<span class="x" onmousemove="('comment',' This being a preventive measure against the spreading of the salve on the plaster, which is forbidden under the category of 'erasing' which is one of the main classes of work forbidden on the Sabbath.');">³³</span> FOR THE FIRST TIME, HOWEVER, THIS<span class="x" onmousemove="('comment',' The application of a new plaster to a wound.');">³⁴</span> IS FORBIDDEN EVERYWHERE.<span class="x" onmousemove="('comment',' Even in the Temple. While replacing a plaster that had been removed for the purpose of performing a Temple service has been allowed in order to prevent a priest from abstaining from his Temple duties on account of a plaster on his hand, the application of a plaster for the first time, which cannot affect the Temple service, could not be allowed since such an application would infringe (cf. Supra p. 711, n. 13) a Rabbinical enactment.');">³⁵</span> <big><b>GEMARA: </b></big>Our Rabbis taught: A plaster that was detached from a wound may be replaced<span class="x" onmousemove="('comment',' Even in the country.');">³⁶</span>

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