On July 1, 2010, CMS published an interim final rule with comment period that identifies the National Council for the Prescription Drug Programs (NCPDP) Prescriber/ Pharmacist Interface SCRIPT standard, Implementation Guide, Version 10, Release 6 (Version 10.6) — or NCPDP SCRIPT 10.6 — as a backward compatible update of the adopted NCPDP SCRIPT 8.1. As such, the NCPDP SCRIPT 10.6 may be used for conducting certain e-prescribing transactions for the Medicare Part D electronic prescription drug program. The rule is effective July 1, 2010; comments will be accepted until August 30, 2010.