I do not believe Jet (the database engine Access uses) supports table-level triggers, so you'll need to use a macro or VBA code in a form to trigger the extra record.

After creating UserForm1 for one Excel application, you realize that you'll want to use it again -- with a few modifications -- in another application. You do not need to recreate the form; simply ...

Excel VBA allows you to call an external function or module with a simple "=NameOfFunctionToCall" entry in the code syntax. However, in .NET applications, you should always use the "Call ...