After I blogged last month about the 160cm minimum height requirement for women to join Vietnam's diplomatic service, one reader asked whether there was also a limit for men.
Further discussions with some of Vietnam's finest young foreign service officials, who have done a sterling job organising the recent Asean summits in Hanoi, reveals that there is a height requirement for men too, of 165cm.
One female official told me that the height requirement for women has increased from 157cm when she took her foreign service exams nine years ago, a sign of the increasing wealth and improving standards of nutrition in Vietnam.
But, she added, there is some flexibility with regards to these height requirements. After candidates are measured and their heights announced, they have a chance to argue their case if they fall short.
"It's a good test of your negotiating skills," she said.