With a key May 15 filing deadline facing many tax-exempt organizations, the Internal Revenue Service today cautioned these groups not to include Social Security numbers (SSNs) or other unneeded personal information on their Form 990, and consider taking advantage of the speed and convenience of electronic filing.

Form 990-series information returns and notices are due on the 15th day of the fifth month after an organization’s tax year ends. Many organizations use the calendar year as their tax year, making Thursday, May 15 the deadline for them to file for 2013.

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