The CBP official's retirement party is scheduled about 10 weeks before Attorney General William Barr's planned family holiday party at Trump International Hotel.
The subpoenas are part of an ongoing case brought by attorneys general from Maryland and Washington, D.C. that seeks to determine whether Trump is violating the emoluments clause of the U.S. Constitution.
A watchdog alleged that Ivanka Trump participated "personally and substantially" in a matter related to her financial interests.
"Making this decision now is the only fair outcome for my team and partners," Ivanka Trump said.
Jared Kushner's family's real estate company, struggling to keep afloat with its 666 Fifth Avenue building in New York City, reportedly has put in a $200 million offer to purchase a famous residential building on Park Avenue.
Several investigations plague Jared Kushner as he continues to serve as a senior White House adviser.
The White House senior advisor has been in hot water as of late. But at least it's his birthday.
With his daughter Ivanka as adviser, the U.S. president draws attention to the family's potential conflicts of interest once again.
The emoluments clause has never been litigated; so whether Trump's foreign business dealings violate it is a matter of interpretation with no previous precedent.
Morgan Lewis also does work for the Russian government's sovereign wealth fund and state corporations.