A letter of invitation is available from Purdue to assist the families of international students as they prepare for commencement.

The White House informed House Oversight Chair James Comer that President Joe Biden will not accept his invitation to testify in a committee impeachment inquiry hearing, according to a letter ...

Visitors entering Germany from outside the Schengen zone might have to show documents at the border. Here's what to keep in mind when writing a visa invitation letter for people to visit you from ...

The target letter former President Donald Trump said he received on Sunday is an invitation — but not an invitation anybody would ordinarily want.