The FCRA says that you cannot be restricted from disclosing the credit report contents, when there is a denial. Often your vendor contract does restrict you from providing the report otherwise. There are so many reasons against giving it and only a few in the pro column. These have been hashed here before many times. If you don't find them on a search and want some links, let me know.
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AndyZ CRCM
My opinions are not necessarily my employers.
R+R-R=R+R
Rules and Regs minus Relationships equals Resentment and Rebellion. John Maxwell