The following information was pulled directly from the Kansas state legislation website at http://www.kslegislature.org/legsrv-statutes/index.do.

Article 35.–SEX OFFENSES

  Definitions.The following definitions apply in this article unless a different meaning is plainly required:

      (1)   "Sexual intercourse" means any penetration of the female sex organ by a finger, the male sex organ or any object. Any penetration, however slight, is sufficient to constitute sexual intercourse.
"Sexual intercourse" does not include penetration of the female sex organ by a finger or object in the course of the performance of:

      (a)   Generally recognized health care practices; or

      (b)   a body cavity search conducted in accordance with K.S.A. 22-2520 through 22-2524, and amendments thereto.

     (2)   "Sodomy" means oral contact or oral penetration of the female genitalia or oral contact of the male genitalia; anal penetration, however slight, of a male or female by any body part or object; or oral or anal copulation or sexual intercourse between a person and an animal. "Sodomy" does not include penetration of the anal opening by a finger or object in the course of the performance of:

     (a)   Generally recognized health care practices; or

     (b)   a body cavity search conducted in accordance with K.S.A. 22-2520 through 22-2524, and amendments thereto.

     (3)   "Spouse" means a lawful husband or wife, unless the couple is living apart in separate residences or either spouse has filed an action for annulment, separate maintenance or divorce or for relief under the protection from abuse act.

     (4)   "Unlawful sexual act" means any rape, indecent liberties with a child, aggravated indecent liberties with a child, criminal sodomy, aggravated criminal sodomy, lewd and lascivious behavior, sexual battery or aggravated sexual battery, as defined in this code.

     History:   L. 1969, ch. 180, § 21-3501; L. 1983, ch. 109, §1; L. 1990, ch. 149, § 14; L. 1991, ch. 86, § 1; July 1.

21-3502.  Rape. (a)Rape is: (1) Sexual intercourse with a person who does not consent to the
sexual intercourse, under any of the following circumstances:

     (A)   When the victim is overcome by force or fear;

     (B)   when the victim is unconscious or physically powerless; or

     (C)   when the victim is incapable of giving consent because of mental deficiency or disease, or when the victim is incapable of giving consent because of the effect of any alcoholic liquor, narcotic, drug or other
substance, which condition was known by the offender or was reasonably apparent to the offender;

      (2)   sexual intercourse with a child who is under 14 years of age;

     (3)   sexual intercourse with a victim when the victim’s consent was obtained through a knowing misrepresentation made by the offender that the sexual intercourse was a medically or therapeutically necessary procedure; or

     (4)   sexual intercourse with a victim when the victim’s consent was obtained through a knowing misrepresentation made by the offender that the sexual intercourse was a legally required procedure within the scope of the offender’s authority.

     (b)   It shall be a defense to a prosecution of rape under subsection (a)(2) that the child was married to the accused at the time of the offense.

     (c)   Rape as described in subsection (a)(1) or (2) is a severity level 1, person felony. Rape as described in subsection (a)(3) or (4) is a severity level 2, person felony.

     History:   L. 1969, ch. 180, § 21-3502; L. 1978, ch. 120, §1; L. 1983, ch. 109, § 2; L. 1993, ch. 253, § 1; L. 1993, ch. 253, § 2; L.1996, ch. 258, § 3; July 1.

  21-3503.  Indecent liberties with a child. (a) Indecent liberties with a
child is engaging in any of the following acts with a child who is 14 or moreyears of age but less than 16 years of age:

     (1)   Any lewd fondling or touching of the person of either the child or the offender, done or submitted to with the intent to arouse or to satisfy the sexual desires of either the child or the offender, or both; or

     (2)   soliciting the child to engage in any lewd fondling or touching of the person of another with the intent to arouse or satisfy the sexual desires of the child, the offender or another.

     (b)   It shall be a defense to a prosecution of indecent liberties with a child as described in subsection (a)(1) that the child was married to the accused at the time of the offense.

     (c)   Indecent liberties with a child is a severity level 5, personfelony.

      History:   L. 1969, ch. 180, § 21-3503; L. 1975, ch. 193, §1; L. 1983, ch. 109, § 3; L. 1984, ch. 118, § 1; L. 1985, ch. 109, § 2; L. 1987, ch. 108, § 1; L. 1989, ch. 89, § 1; L. 1993,ch. 253, § 3; L. 1993, ch. 253, § 4; July 1.

    21-3504.  Aggravated indecent liberties with a child. (a) Aggravated indecent liberties with a child is:

     (1)   Sexual intercourse with a child who is 14 or more years of age but less than 16 years of age;

     (2)   engaging in any of the following acts with a child who is 14 or more years of age but less than 16 years of age and who does not consent thereto:

     (A)   Any lewd fondling or touching of the person of either the child or the offender, done or submitted to with the intent to arouse or satisfy the sexual desires of either the child or the offender, or both; or

     (B)   causing the child to engage in any lewd fondling or touching of the person of another with the intent to arouse or satisfy the sexual desires of the child, the offender or another; or

     (3)   engaging in any of the following acts with a child who is under 14 years of age:

      (A)   Any lewd fondling or touching of the person of either the child or the offender, done or submitted to with the intent to arouse or to satisfy the sexual desires of either the child or the offender, or both; or

      (B)   soliciting the child to engage in any lewd fondling or touching of the person of another with the intent to arouse or satisfy the sexual desires of the child, the offender or another.

      (b)   It shall be a defense to a prosecution of aggravated indecent liberties with a child as provided in subsection (a)(1), (a)(2)(A) and (a)(3)(A) that the child was married to the accused at the time of the offense.

      (c)   Aggravated indecent liberties with a child as described in subsections (a)(1) and (a)(3) is a severity level 3, person felony. Aggravated indecent liberties with a child as described in subsection (a)(2) is a severity level 4, person felony.

     History:   L. 1969, ch. 180, § 21-3504; L. 1975, ch. 193, §2; L. 1983, ch. 109, § 4; L. 1984, ch. 112, § 3; L. 1984, ch. 118, §2; L. 1992,ch. 298, § 22; L. 1993, ch. 253, § 5; L. 1993, ch. 291, § 271; July 1.

21-3505.   Criminal sodomy. (a) Criminal sodomy is:

     (1)   Sodomy between persons who are 16 or more years of age and members of the same sex or between a person and an animal;

     (2)   sodomy with a child who is 14 or more years of age but less than 16 years of age; or

      (3)   causing a child 14 or more years of age but less than 16 years of age to engage in sodomy with any person or animal.

     (b)   It shall be a defense to a prosecution of criminal sodomy as provided in subsection (a)(2) that the child was married to the accused at the time of the offense.

     (c)   Criminal sodomy as provided in subsection (a)(1) is a class B nonperson misdemeanor. Criminal sodomy as provided in subsections (a)(2) and (a)(3) is a severity level 3, person felony.

      History:   L. 1969, ch. 180, §21-3505; L. 1983, ch. 109, §5; L. 1992, ch. 298, § 23; L. 1993, ch. 253, § 6; July 1.

21-3510.  Indecent solicitation of a child. (a) Indecent solicitation of a child is:

      (1)   Enticing or soliciting a child 14 or more years of age but less than 16 years of age to commit or to submit to an unlawful sexual act; or

      (2)   inviting, persuading or attempting to persuade a child 14 or more years of age but less than 16 years of age to enter any vehicle, building, room or secluded place with intent to commit an unlawful sexual act upon or with the child.

      (b)   Indecent solicitation of a child is a severity level 7, person felony.

     History:   L. 1969, ch. 180, § 21-3510; L. 1992, ch. 298, §26; L. 1993, ch. 291, § 47; July 1.

     21-3511.   Aggravated indecent solicitation of a child.Aggravated indecent solicitation of a child is:

     (a)   Enticing or soliciting a child under the age of 14 years to commit or to submit to an unlawful sexual act; or

     (b)   inviting, persuading or attempting to persuade a child under
the age of 14 years to enter any vehicle, building, room or secluded place with intent to commit an unlawful sexual act upon or with the child.

     Aggravated indecent solicitation of a child is a severity level 6, person felony.

     History:   L. 1969, ch. 180, § 21-3511; L. 1992, ch. 298, §27; L. 1993, ch. 291, § 48; July 1.

21-3522.  Unlawful voluntary sexual relations. (a) Unlawful voluntary sexual relations is
engaging in voluntary: (1) Sexual intercourse; (2) sodomy; or (3) lewd fondling or touching with a child who is 14 years of age but less than 16 years of age and the offender is less than 19 years of age and less than four years of age older than the child and the child and the offender are the only parties involved and are members of the opposite sex.

     (b) (1)   Unlawful voluntary sexual relations as provided in subsection (a)(1) is a severity level 8, person felony.

      (2)   Unlawful voluntary sexual relations as provided in subsection(a)(2) is a severity level 9, person felony.

      (3)   Unlawful voluntary sexual relations as provided in subsection (a)(3) is a severity level 10, person felony.

      History:   L. 1999, ch. 164, § 38; July 1.