USCIS Update on Correction of I-90 Duplicate Receipt Numbers Issued August 10-19th

An 8/31/09 USCIS Update explains that the USCIS Phoenix Lockbox issued duplicate receipt numbers to I-90 applications received between August 10th and 19th. On August 28th USCIS sent new I-797Cs with corrected numbers along with a letter of explanation. A Q&A follows.