I don’t think it’s any type of government office. I think it’s more likely some kind of secret cult judging by what Tamara said in 2×20 “The Evil Queen” and also what she says in that 8 1/2 minute extended preview of 2×21 “Second Star To The Right” when she says “Magic Is Unholy”
[adrotate group="5"]
Keeper of Neal/BaelFire's Blood Magic, Neverland Crossbow, FTL Clothes,Room at Granny’s, Charming & Emma’s Father/Daughter Hugs, Henry's Neverland Crossbow, Rumplestlitskin/Mr.Gold's FTL Walking Stick