Complex sentence: The "Bundespolizei" was previously known as the "Bundesgrenzschutz" (BGS) ("Federal Border Guard") and had a more restricted role until July 1,2005 when the law renaming the BGS as the BPOL was enacted.
Split into simpler sentences: The "Bundespolizei" was formerly known as the "Bundesgrenzschutz" (BGS) ("Federal Border Guard"), which had a more restricted role. In July 2005 the law renaming the BGS as the BPOL was enacted.