An ITIN (Individual Taxpayer Identification Number, sometimes called a PIN, Tax ID or Taxpayer ID) will serve as your identification number for filing your tax returns. If you do not qualify for an SSN, you will need to apply for an ITIN.
What is .ASPX File Extension? What is the purpose of the .aspx file extension? The .aspx (Active Server Page Extended) file extension stores script and source codes that allow web browsers to translate and open web pages. Typically, .aspx file extensions are associated with ASP.NET by Microsoft.
A: ASPX stands for Active Server Page Extended File, and it is developed by Microsoft. It is a type of ASP.NET Web file that can feature business logic, Web controls and presentation. Also referred to as .NET webforms, ASPX pages are usually written by Microsoft Visual Web Developer and are intended to work in the ASP.NET framework.