Responsa for Bekhorot 97:10
לאחר ל' יום אע"פ שלא נתן יתן
<big><b>MISHNAH: </b></big>IF THE SON DIES WITHIN THIRTY DAYS [OF HIS BIRTH] ALTHOUGH HE [THE FATHER] GAVE THE PRIEST [THE FIVE SELA'S], HE MUST RETURN THEM.<span class="x" onmousemove="('comment',' Because the offspring is an untimely birth (Rashi) . Tosaf. says: The reason is because the Torah makes redemption dependent on the offspring being a month old. The Mishnah here refers to certain cases of first-born.');"><sup>10</sup></span>
Teshuvot Maharam
If a man heard about the death of his parent on the thirtieth day after such death, he must observe the seven days of strict mourning and the thirty days of mourning. But if he heard on the thirtieth day which was a Sabbath day or a holiday, he must observe only one day.
SOURCES: Pr. 436; Mord. M.K. 883; Hag. Maim. to Abel, 7, 1, 2.
SOURCES: Pr. 436; Mord. M.K. 883; Hag. Maim. to Abel, 7, 1, 2.
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