An assignment for Biology, Grades 9-12, is allowed with one of the following certificates.
  (1) Grades 6-12 or Grades 9-12--Biology.
  (2) Grades 6-12 or Grades 9-12--Science.
  (3) Grades 6-12 or Grades 9-12--Science, Composite.
  (4) Junior High School (Grades 9-10 only) or High School--Biology.
  (5) Junior High School (Grades 9-10 only) or High School--Science.
  (6) Junior High School (Grades 9-10 only) or High School--Science, Composite.
  (7) Life Science: Grades 7-12.
  (8) Life Science: Grades 8-12.
  (9) Legacy Master Science Teacher (Grades 8-12).
  (10) Science: Grades 7-12.
  (11) Science: Grades 8-12.
  (12) Secondary Biology (Grades 6-12).
  (13) Secondary Science (Grades 6-12).
  (14) Secondary Science, Composite (Grades 6-12).

Source Note: The provisions of this §231.201 adopted to be effective August 15, 2013, 38 TexReg 5076; amended to be effective December 27, 2020, 45 TexReg 9183