Definition of opponent for English Language Learners. : a person, group, etc., that is against something (such as an action, law, or system) : someone or something that does not want something to exist, be done, etc.
Generally, your first mortgage payment is due on the 1st day of the 2nd month following your closing date. For example, if you close in February, your first mortgage payment will be due on Aproil 1st. Generally speaking of course.
When are my corporation's estimate payments due? The first estimate is due on the 15th day of the 4th month of your corporation's tax year. For example, if your corporation's taxable year starts January 1st, then the first estimate payment is due April 15th. The second estimate is due on the 15th day of the 6th month.