Topic 427 Topic 27 IRS: Topic 427 – Stock Options Internal Revenue Service: Stock Options Stock Options ...IRS Topic 427 IRS Topic 427 [www.irs.gov] Stock Options ...IRS Topic 427 IRS: Topic 427 -- Stock Options Topic 427 Internal Revenue Service: Stock Options stock option IRS.gov: Topic 427 -- Stock Options IRS: Topic 427 Stock Options stock option Stock Options The IRS says Topic 27 The IRS says IRS: Topic 427 Stock Options Stock Options ...IRS Topic 427 Topic 27 Topic 27