[What it is] This document states all mutual settlements between your account and Google for a specific period, which begins on January 1 and can't be longer than a year. Electronic version: available for download in your account between the 3rd and the 7th of each month for the previous accounting month. Hard copy: Sent automatically once a year in January. Request hard copies for previous periods in your account on the Transaction history page. To get there, click the gear icon and choose Billing. Note that postal delivery of the hard copy can take up to 10 business days. [0] 
Act of reconciliation