"according to all of your mitzvah": So that if he gave the second-tithe before the first, he cannot make the confession.
"as You commanded me": I have not given it to one unfit for it.
"I did not depart from Your mitzvoth": I did not tithe from one species for another, nor from the detached (from the ground) to the unattached, nor from the unattached for the attached, nor from the new for the old, nor from the old for the new.
"I did not forget": to bless You and to mention Your name upon it.
(Devarim, Ibid. 14) "I did not eat in my mourning of it": If he had eaten it in mourning, he could not make the confession.