Ark. Code Ann. § 9-11-512: Effect of failure to file schedule

The separate estate and property of a married person shall not be forfeited nor shall any rights and title thereto be prejudiced by a failure or neglect to file a schedule. However, in any suit, action, or proceeding relating to the property when the property has not been scheduled and recorded the burden of proof shall rest upon the married person to show the property is his or her separate property.