Here is the information sent us by Maestro Rinaldo Alessandrini about the audition:

The audition will be held on March 20th 2012 at Scuola Arvalia (Via Greve, 63 –  Roma, Italy). You can reach the school by urban train;  the stop Villa Bonelli is at 5 minutes walking distance. Google Maps may be helpful.
The schedule will be from 3.00 to 9.00 PM. Each participant will receive by mail an individual schedule.
Performance shall be with historical mounting, tuning at 415 Hz.
Candidates shall perform two movements (one slow and one fast) from a sonata with continuo of their choice. Bring a copy of the chosen excerpts.
A first-sight reading test of an orchestral piece will also be required.

In order to be invited to the audition send an e-mail to: rinaldo.alessandrini@tiscali.it