Negative commandment · Lo Ta’aseh #156 of 613
Not to make a festive pilgrimage without [bringing] a sacrifice
שלא לעלות לחג בלא קרבן
The verse · Shemot 23:15
אֶת־חַג הַמַּצּוֹת תִּשְׁמֹר שִׁבְעַת יָמִים תֹּאכַל מַצּוֹת כַּאֲשֶׁר צִוִּיתִךָ לְמוֹעֵד חֹדֶשׁ הָאָבִיב כִּי־בוֹ יָצָאתָ מִמִּצְרָיִם וְלֹא־יֵרָאוּ פָנַי רֵיקָם
“Thou shalt keep the feast of unleavened bread: (thou shalt eat unleavened bread seven days, as I commanded thee, in the time appointed of the month Aviv; for in it thou didst come out from Miżrayim: and none shall appear before me empty:)”
The Rambam’s words
Not to make a festive pilgrimage without [bringing] a sacrifice, as [Exodus 23:15] states: "Do not appear before Me empty-handed."
שלא לעלות לחג בלא קרבן, שנאמר "ולא ייראו פניי, ריקם" (שמות כג,טו).
Who & when
“And this warning (negative commandment) is not practiced by females, [just] like the positive commandment that comes upon this is not practiced by females.”
Where in the Mishneh Torah
Hilchot Festival Offering הלכות חגיגה