This resolution matters because it's a piece of the formal communication network between the two parts of Congress, the Senate and the House of Representatives. It ensures that the House is officially aware of who holds a crucial administrative position in the Senate. This type of communication is essential for the smooth operation and coordination of legislative activities. If such notifications weren't made, it could lead to confusion or procedural missteps between the chambers. It shows the importance of even small, formal steps in maintaining congressional order.