Negative commandment · Lo Ta’aseh #319 of 613
Not to strike one's father or mother
שלא להכות אב ואם
The verse · Shemot 21:15
וּמַכֵּה אָבִיו וְאִמּוֹ מוֹת יוּמָת
“And he that smites his father, or his mother, shall be surely put to death.”
The Rambam’s words
Not to strike one's father or mother, as [Exodus 21:15] states: "One who strikes his father or mother shall surely die."
שלא להכות אב ואם, שנאמר "ומכה אביו ואימו, מות יומת" (שמות כא,טו).
Why · Sefer HaChinuch #48
Not to strike father and mother
“From the roots of this commandment are to punish scoundrels and informers that raised their hand against the ones that brought them to the world by the will of G-d and did for them many goodnesses.”
Who & when
“And [it] is practiced in every place and at all times by males and females and [those the sex of which is in doubt].”
Where in the Mishneh Torah
Hilchot Rebels הלכות ממרים