The Market Rules require the Market Assessment Unit (MAU) to develop catalogues of data and monitoring indices under the supervision and direction of the Market Surveillance and Compliance Panel (MSCP). These catalogues serve as an information requirements system and criteria for evaluation, to enable effective monitoring of the market.

The catalogue of monitoring indices is used by the MSCP and the MAU to evaluate the data collected. The catalogue was published by EMC for public comment prior to its adoption.