Complex sentence: The Postal Exam Battery 473 and 473-C exams are actually the same test; it is designated as the 473 when given for various positions, and as the 473-C when given exclusively for the Carrier position.
Split into simpler sentences: The Postal Exam Battery 473 and 473-C exams are the same test. It is designated as the 473 when given for various positions, and as the 473-C when given exclusively for the Carrier position.