Reference for Menachot 15:10

למצוה אמר ליה רב גביהא מבי כתיל לרב אשי והא חוקה כתיב בה אמר ליה לא נצרכא אלא להביאה שלם מביתו

- This is only a recommendation.<span class="x" onmousemove="('comment',' Lit., 'for a precept'. I.e., it should be performed in this manner; nevertheless it is hallowed even though brought a half tenth at a time.');">¹⁵</span> Thereupon R'Gebiha of Bekathil said to R'Ashi, But is not the term 'statute'<span class="x" onmousemove="('comment',' lbid. VI, 15. The term 'statute' implies that there must be no infringement or variation of the prescribed rites.');">¹⁶</span> used in connection with it? - He replied: That merely indicates that he must bring the whole [tenth] from his house.<span class="x" onmousemove="('comment',' But as for hallowing in a vessel of ministry this may be done a half tenth at a time.');">¹⁷</span>

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