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.