Article 182 2.

For exposures to corporates, institutions, central governments and central banks, and regional governments, local authorities and public sector entities, estimates of conversion factors shall be based on data over a minimum of five years, increasing by one year each year after implementation until a minimum of seven years is reached, for at least one data source. If the available observation period spans a longer period for any source, and the data are relevant, that longer period shall be used.