I'm getting this letter from the IRS tonight, any idea what it could be(06)

I'm getting this letter from the IRS tonight, any idea what it could be(06)


Image gallery: Irs 333 West Pershing Rd

Internal Revenue Service, 333 W Pershing Rd, Kansas City, MO Internal Revenue Service, 333 W Pershing Rd, Kansas City, MO Internal Revenue Service, 333 W Pershing Rd, Kansas City, MO Internal Revenue Service, 333 W Pershing Rd, Kansas City, MO US Internal Revenue Service, 333 W Pershing Rd, Kansas City, MO Internal Revenue Service, 333 W Pershing Rd, Kansas City, MO I'm getting this letter from the IRS tonight, any idea what it could be Internal Revenue Service, 333 W Pershing Rd, Kansas City, MO