1 You do not already have an Individual Taxpayer ID Number (ITIN) or a Social Security Number (SSN); 2  You are not being employed by USC; 3  You are a scholarship recipient (whether or not you are claiming a tax treaty); 4  Or you are a consultant, independent contractor, or honoraria recipient claiming a tax treaty.
Noun[edit] stemming â(countable and uncountable, plural stemmings) ( 1 nautical) Movement against a current, especially a tidal current.  A process for removing the inflexional, and sometimes derivational, affixes from words.
Sometimes stem means to originate; other times it means to stop something at its source. You stem the flow of a river, but you can also observe that a riverâs flow stems from a spring. To remember stemâs meaning think of the stem of a plantââitâs where a plant begins but also where you pluck it from the ground. Once teachers realized that the studentsâ anger stemmed from the overload of homework, they stemmed the rebellionâs tide. Full Definitions of stem.