Penal Code section 288:
(a) Oral copulation is the act of copulating the mouth of one
person with the sexual organ or anus of another person.
(b) (1) Except as provided in Section 288, any person who
participates in an act of oral copulation with another person who is
under 18 years of age shall be punished by imprisonment in the state
prison, or in a county jail for a period of not more than one year.
(2) Except as provided in Section 288, any person over the age of
21 years who participates in an act of oral copulation with another
person who is under 16 years of age is guilty of a felony.
(c) (1) Any person who participates in an act of oral copulation
with another person who is under 14 years of age and more than 10
years younger than he or she shall be punished by imprisonment in the
state prison for three, six, or eight years.
(2) (A) Any person who commits an act of oral copulation when the
act is accomplished against the victim’s will by means of force,
violence, duress, menace, or fear of immediate and unlawful bodily
injury on the victim or another person shall be punished by
imprisonment in the state prison for three, six, or eight years.
(B) Any person who commits an act of oral copulation upon a person
who is under 14 years of age, when the act is accomplished against
the victim’s will by means of force, violence, duress, menace, or
fear of immediate and unlawful bodily injury on the victim or another
person, shall be punished by imprisonment in the state prison for 8,
10, or 12 years.
(C) Any person who commits an act of oral copulation upon a minor
who is 14 years of age or older, when the act is accomplished against
the victim’s will by means of force, violence, duress, menace, or
fear of immediate and unlawful bodily injury on the victim or another
person, shall be punished by imprisonment in the state prison for 6,
8, or 10 years.