Section 4072 Of Article 2. Statewide Uniform Guideline From California Family Law Code >> Division 9. >> Part 2. >> Chapter 2. >> Article 2.

. (a) If a deduction for hardship expenses is allowed, the court shall do both of the following:
  (1) State the reasons supporting the deduction in writing or on the record.
  (2) Document the amount of the deduction and the underlying facts and circumstances.
  (b) Whenever possible, the court shall specify the duration of the deduction.