anchor.diff:  
   
   [source,xml]
  ----
  +----
   <overdueConfig>
      <accountOverdueStates>
  +       <initialReevaluationInterval>
  +           <unit>DAYS</unit><number>4</number>
  +       </initialReevaluationInterval>
          <state name="CANCELATION">
              <condition>
                  <timeSinceEarliestUnpaidInvoiceEqualsOrExceeds>
  
positive.code:            </autoReevaluationInterval>
         </state>
     </accountOverdueStates>
     <initialReevaluationInterval>
         <unit>DAYS</unit><number>4</number>
     </initialReevaluationInterval>
  </overdueConfig>
  ---
  
  
  === Payment retries
  
negative.code: Your catalog will contain a plan entry that specifies two phases, one for the $0 TRIAL and one for the recurring monthly charge of $10 -- note that we omitted the other parts of the catalog such as alignment rules, ... which is beyond the scope of that tutorial:
  
  [source,xml]
  ----
  <plan name="movies-monthly">
      <product>Movies</product>
      <initialPhases>
  