Letter of Assurances are all contingent upon "continued academic excellence." They need to make sure you don't just stop trying after the receiving the LOA. I had to turn in my 7th and 8th semester grades even though I had an appointment. In other words, yes.
"There are 52 words in the Preamble to the Constitution of the United States, 179 words in the Ten Commandments, and 286 words in the Gettysburg Address. If you have a point to make and it takes you longer to articulate than one or all of the previously stated rhetoric, I generally stop listening"