DE – Search for the US Merit Systems Protection Board. 5 results, not too surprised much like the federal relations authority I would expect to maybe find more in a law database, or not find much at all anywhere.
RI – MSPBSearch01.PQMSPB.0001.2.26
QY - AF("United States Merit Systems Protection Board" OR "U.S. Merit Systems Protection Board" OR "mspb.gov") OR AD("United States Merit Systems Protection Board" OR "U.S. Merit Systems Protection Board" OR "mspb.gov") OR AU("United States Merit Systems Protection Board" OR "U.S. Merit Systems Protection Board" OR "mspb.gov")  OR PB("United States Merit Systems Protection Board" OR "U.S. Merit Systems Protection Board" OR "mspb.gov")