Chapter 124:18 & 19
Laws Of Tish'ah B'av
18. If there is a child who must be circumcised [on Tish'ah B'av], he
should be circumcised after the recitation of the "Kinos" (dirges) is
concluded. The parents of the child, the "sandok" (1), and the "mohel" (2)
are permitted to wear their Shabbos clothing in honor of the circumcision
(3). They must, however, remove [the Shabbos clothing] afterward.
Candles may be lit in honor of the circumcision. The cup of wine over which
the blessings are recited should be given to a child to drink.
19. For the afternoon service [on Tish'ah B'av], we wear our Tallis and
Tefillin and recite the blessings associated with them. The "Psalm of the
Day" ("Shir shel Yom") and the other prayers omitted in the morning service
should also be recited.
We recite "Ashrei" and "Half-Kaddish", and then read from the Torah and the
Haftoroh as on other fast days. [After] returning the Torah scroll, the
chazan recites the "Half-Kaddish", and the "Shemoneh Esreh" is recited.
We recite the prayer "Nachem" in the blessing "Boneh Yerushalayim". A
person who forgets to recite it there should recite it [in the blessing
Shome'a Tefilloh] after the prayer "Anenu". In such an instance, however,
one does not conclude with the blessing "Boruch Attoh...Menachem Tzion... "
Instead, [one returns to the usual text of "Shome'a Tefilloh" and]
continues "ki Attoh shome'a..." (4)
If one also forgot to add "Nachem" at this point and already said "Boruch
Attoh A-donoi..." [of "Shomea Tefillah"] one should conclude Shome'a
Tefilloh, and then continue one's prayers in the usual fashion. There is
no need to repeat [the Shemoneh Esreh because of this omission]. (See the
Pri Megodim)
When repeating the Shemoneh Esreh, the chazan recites the priestly
blessing. After the Shemoneh Esreh, he recites the full Kaddish, including
the passage "Tiskabel". The Tefillin are then removed.
[After] reciting the evening service, if the moon is shining it should be
sanctified. Note Chapter 97, Law 11, which states that it is proper to eat
before doing so (5).
FOOTNOTES:
(1) One who holds the child during the circumcision.
(2) One who performs the circumcision.
(3) However, they are not allowed to wear leather shoes ( Be'ur Halacha 559:8).
(4) The Mishna Berura 557:2 disagrees, and rules that if one forgets to say
"Nachem" in its proper place, one should recite it before "Va'techezzenah
Eineinu.." in the blessing "Retzeh."
(5) See Mishna Berura 426:11 where he rules that Kiddush Levanah should not
be said without shoes. He also states there that if a large group will be
saying Kiddush Levanah together, one should recite it with them, even
before eating (Sha'ar HaTziyun 9).