collected from a State, on a State-by-State basis, to ensure that the data are comparable across States. The Secretary may develop a mechanism for collecting expenditure data, including procedures which allow States to make reasonable estimates, and may set deadlines for making revisions to the data. (c) Research and evaluation (1) In general Not later than 2 years after the Secretary makes the first payment under this title, and periodically thereafter, the Secretary shall submit to Congress a report that— (A) explores the use of economic and emergency, disaster, or crisis indicators other than the unemployment rates described in section 1303(g)(2) as triggers for making States eligible for payments under this title, including how different indicators would affect the distribution of funds by State, by demographic group, by economic status, the total spending levels under this title, and how using different indicators would affect the outcomes of households eligible to receive cash assistance payments under section 1303