In direct communication, the source explained:

[These series measure] phenomena [that] are not significant for the Italian market and therefore we have decided not to disseminate them anymore.

In response, we have marked the series as "discontinued" in their metadata and the catalog. Figures are percent per annum (%) not seasonally adjusted (NSA). The series start as early as January 2003 and run through December 2016.

The series reside in the historical catalog (Italy » Financial » Interest rates » Bank interest rates » Euro loans) and include, for example:

• BDIS604503MUM.IITA = [DISCONTINUED] Bank interest rates on euro loans to non-financial corporations - New business - Loans up to 1 million euros - Floating rate over 3 months up to 1 year, (%, NSA)
• BDIS963373MUM.IITA = [DISCONTINUED] Bank interest rates on euro loans to households - New business - For house purchases - Floating rate 5 to 10 years, (%, NSA)
• BDIS741096MUM.IITA = [DISCONTINUED] Bank interest rates on euro loans to households - Outstanding loans - For house purchases - Over 1 year and up to 5 years, (%, NSA)

Because catalog locations are subject to change, the upper-right search box on DataBuffet.com provides a "find a catalog" mode that accepts a mnemonic.