There were several changes made to the processing of the data from the redesigned questions. The files now posted differ slightly from the January 2015 files.

CPS, ASEC, and other supplement microdata, replicate weights, and complete technical documentation.

Various microdata extract files, including alternative weights, tax and noncash estimates, and special tabulations.

Technical Documentation, datasets, and input statements for public use SIPP datasets.

Microdata from a longitudinal survey that assessed impact of the 1996 welfare reform. Focused on families that received or were eligible for cash benefits.