P9X001 is a "container" hot fix that contains "member" hot fixes which will update your SAS software components.
See "What is a container hot fix?" in the SAS Hot Fix FAQ for more information on container and member hot fixes.
A manifest listing the contents of each of the following "member" hot fixes is available:
P9H001 manifest for SAS Compliance Solutions Mid-Tier 7.21
P9I001 manifest for SAS Compliance Solutions Server 7.21