No human body may be held in any place or be in transit more than 24 hours after death and pending final disposition unless either maintained at a temperature within the range of 34 degrees - 40 degrees Fahrenheit, or is embalmed by a licensed embalmer in a manner approved by the Texas Funeral Service Commission, or by an embalmer licensed to practice in the state where death occurred or is encased in a container which insures against seepage of fluid and the escape of offensive odors.