Form APP-013 at a glance
What it is: Form APP-013 is the Memorandum of Costs on Appeal, under Code of Civil Procedure, § 1034(b); Cal. Rules of Court, rule 8.278.
Who signs: Mark if you are the party, counsel for the party or agent for the party who claims the costs.
A filled-in Form APP-013 example: a memorandum claiming filing fees only

How to fill out Form APP-013, box by box
Costs on appeal

Enter in TOTALS the following costs on appeal: 1. Filing fees; 2. Preparation of the original and copies of clerk's transcript or appendix; 3. Preparation of reporter's transcript.
Enter in TOTALS the following costs on appeal: 4. Printing and copying of briefs; 5. Production of additional evidence; 6. Transmitting, filing, and serving of record, briefs, and other papers.
Enter in TOTALS the following costs on appeal: 7. Premium on any surety bond on appeal; 8. Other expenses reasonably necessary to secure surety bond; 9. Other: (specify authority).
Enter the TOTAL COSTS.
Who signs the declaration

"To the best of my knowledge, the items of cost are correct and were necessarily incurred in this case on appeal."
"I declare under penalty of perjury under the laws of the State of California that the foregoing is true and correct."
Enter the Date, then (TYPE OR PRINT NAME) and the (SIGNATURE OF DECLARANT).
More rules for Form APP-013
You must file a proof of service of this document. Judicial Council proof of service forms are available.
Enter the case number after CASE NUMBER.
Enter the name after ATTORNEY FOR (name).
Enter the Plaintiff and the Defendant.
Enter the Prevailing party (name), then the name after claims from (name).
Sources
[1] Form APP-013 (Rev. January 1, 2020), Memorandum of Costs on Appeal, Judicial Council of California (the Official source link on this page).
