Thursday Sivan 14 5703
Chumash: Be Beha'alotecha, Chamishi with Rashi.
Tehillim: 72-77.
Tanya: Now this attribute (p.297)... out of nothing. (p. 299).
In putting on the Tallit Katan in the morning, with "clean" hands [1] and in a place where a B'racha may be said, recite Al Mitzvat Tzitzit; (L'Hitateif B'Tzitzit is only said for a large Tallit that has the size for "enwrapment.")
If one may not say a B'racha when putting on a Tallit Katan, then before Davening, hold the four Tzitzit and say the B'racha then.
However, if one is wearing a large Tallit as well, no B'racha is said for the Tallit Katan.
Notes:
Namely after the ritual handwashing (Sidur p. 6).