​Announcement 1:  While the “PS” record in new MBS Enhanced Single Family Pool file contains the “Remaining Security RPB” (field 10) and “RPB Factor” (field 11) fields, this data is also published in the Ginnie Mae Factor “A” (“factorA1_YYYYMM.zip” and “factorA2_YYYYMM.zip”) and Factor “B” (“factorB1_YYYYMM.zip” and “factorB2_YYYYMM.zip”) files, and users should be aware that the fields in the Factor files remain the official “Remaining Security RPB” and “RPB Factor” values.