The phrase "custom officer" is correct and can be used in written English.
For example, you could write: "The custom officer checked my passport and visa before I could enter the country."
I exited the office and a few minutes later he and the custom officer came out.
Photograph: Altaf Qadri/AP 11.18am BST A custom officer with a leopard skin.
Another custom officer carries one of the 1,120 seized ivory tusks.
The custom officer asked the manufacturer a few questions in Vietnamese which were translated to me and I responded.
"The manufacturer told me to listen to him," Pierre continued, "and to follow him in the meeting with the custom officer.
After a few minutes of answering questions, the manufacturer told me to step outside because there was something he needed to talk to the custom officer about.
"So," said the customs officer amiably.
A federal customs officer, he said he enjoyed police dramas.
"Ah, but it's nuclear," the customs officer said.
She cited a recent trip abroad when a customs officer asked where she was from.
At the airport, the customs officer finds that Duncan's passport has expired.
