Section 27361.5 Of Article 5. Fees From California Government Code >> Division 2. >> Title 3. >> Part 3. >> Chapter 6. >> Article 5.

. (a) As used in Section 27361, a page shall be one printed side of a single piece of paper being 8 1/2 inches by 11 inches.
  (b) A sheet shall be one printed side of a single piece of paper which is not exactly 8 1/2 inches by 11 inches but not greater than 8 1/2 inches by 14 inches.