Rule 4. Temporary Step-Aside of a Member of the Leadership Who Is Indicted
A) The Speaker, Democratic Leader, Democratic Whip, Assistant Speaker, Chair or Vice Chair of the Caucus, Chair of the DCCC, any one of the DPCC Co-Chairs, CLR, or FLR who is indicted for a felony for which a sentence of two or more years of imprisonment may be imposed shall step aside and cease to exercise the power of their office.
B) Upon the step-aside of the Member, the Caucus may determine who shall exercise those powers on a temporary basis.
C) If the Member steps aside pursuant to paragraph A, and subsequently the charges are dismissed or reduced to less than a felony as described in paragraph A, or if the Member is found not guilty of such charges, that Member shall automatically resume the powers and the duties of that office unless the Caucus decides otherwise within 10 legislative days.
dead link to clerk.house
Thank you! Try: https://clerk.house.gov/
I found another source! Little more modern
https://www.dems.gov/caucus-rules-of-116th-congress
Rule 4. Temporary Step-Aside of a Member of the Leadership Who Is Indicted
A) The Speaker, Democratic Leader, Democratic Whip, Assistant Speaker, Chair or Vice Chair of the Caucus, Chair of the DCCC, any one of the DPCC Co-Chairs, CLR, or FLR who is indicted for a felony for which a sentence of two or more years of imprisonment may be imposed shall step aside and cease to exercise the power of their office.
B) Upon the step-aside of the Member, the Caucus may determine who shall exercise those powers on a temporary basis.
C) If the Member steps aside pursuant to paragraph A, and subsequently the charges are dismissed or reduced to less than a felony as described in paragraph A, or if the Member is found not guilty of such charges, that Member shall automatically resume the powers and the duties of that office unless the Caucus decides otherwise within 10 legislative days.