definiens: Make Good Periodmake good " means that CRTX shall perform within the Make Good Period additional 23 Product Details necessary to satisfy the requirement of one thousand six hundred ( 1,600 ) PDEs to Detail Targets per month ) . If, for any such instance, CRTX does not perform such a detailing effort during the Make Good Period, there will be an adjustment to the Co­Promotion Fees described in Section 5 for such prior Calendar Quarter as mutually agreed to between the Parties . In addition, if CRTX fails more than three ( 3 ) times in any Calendar Year to deliver at least one thousand six hundred ( 1.600 ) PDEs per calendar month to Detail Targets, regardless of whether a effort is made, the Parties will negotiate in good faith an adjustment to the Co - Promotion Fees and to the monthly PDE requirement, all as mutually agreed to between the Parties . As regards the documentation necessary to prove the effort, such shall be received by DEY within ten ( 10 ) Business Days after the last day of the Make Good Period . If DEY does not receive such information within the ten day period, such shall void the effort and shall result in an adjustment of the Co - Promotion Fees as described above, but shall not be a breach of this Agreement