Related for Chagigah 51:16
<big><strong>מתני׳</strong></big> משעבר הרגל מעבירין על טהרת עזרה עבר הרגל ליום ששי לא היו מעבירין מפני כבוד השבת רבי יהודה אומר אף לא ביום ה' שאין הכהנים פנויין:
Mishnah: Once the festival passes, we re-purify the sanctuary. If the festival passes into Friday, they would not re-purify [on that day], due to the honor of the Sabbath [which requires the priests' attention]. Rabbi Yehudah says, Even not on Thursday, because the priests are not available [since they are already preparing for the Sabbath].
Tosefta Chagigah
If tax collectors entered a house and wrote on the outside [that] everything that is in the house is [ritually] pure, they are believed as to the purity of [articles involved in] the purification rite [of the red heifer], but they are not believed about the purity of Terumah, and in Jerusalem they are believed as to the purity of all the consecrated utensils but not about Terumah, and during the season of the pilgrimmage festival, [they are even believed] about Terumah. One who buys utensils from am ha'aretz skilled craftspersons, and one who sells utensils to am ha'aretz skilled craftspersons are believed about the purity of [articles involved in] the purification rite, but are not believed about the purity of Terumah.
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