Date: 
 
(Name) 
(Address) 
 
BUSINESS INVITATION LETTER 
 
Dear ___________ 
 
I would like to invite you to visit Thomas Jefferson National Accelerator Facility 
(JLab – Jefferson Laboratory) for a period of ____________ (days, weeks or 
months), beginning on or about _______________ (mmddyy of appointment 
start).  This visit will provide an opportunity for you to contribute your expertise to 
the __________________ Division's work on (subject of meetings, workshop, 
discussions, or research). 
 
(Describe here everything that will be offered by the lab by way of support: 
travel and living expenses or reimbursement, stipend, per diem, 
honorarium, computer account, email account, etc.): 
We will provide you with workspace and other work-related support as needed.  
We understand that you will arrange funding for the remainder of your expenses.  
If you have any questions about the visit, please contact __________ at _____ or 
 
(In case of JSA monetary support, please add): Please note that this payment 
may have tax implications, which could include being subject to mandatory tax 
withholding under U.S. federal regulations.   
 
(Next paragraphs are to be used only if visitor/researcher is coming to JLab 
directly from abroad – use the appropriate visa type paragraph ): 
 
(Applicable for J1:) We are informed that a J-1 visa is the most appropriate 
classification for your visit here.  International Services  will contact you shortly 
with instructions on how you will receive the DS-2019 application.  Once issued, 
you will need to take the DS-2019, along with the enclosed Support Letter, to the 
nearest American Consulate to request a visa stamp in your passport for entry. 
 
(Applicable for B1:) We are informed that a B1 Business visa is the most 
appropriate classification for your visit here.  In that respect, please take the 
enclosed Support Letter, along with your valid passport, to the nearest American 
Consulate and request a visa stamp for entry. 
 
(Applicable for WB:) We are informed that a Visa Waiver for Business (WB) is 
the most appropriate classification for your visit here.  In that respect, please use 
the enclosed Support Letter, along with your valid passport, to enter the United 
States.  An immigration officer will issue an I-94 card or stamp for you to be legal