I heard it was something to do with ancient customs.

I'm not going to have any issues with airlines or customs am I?

The table had been set in accordance with human customs.

Communities developed each with its own culture, customs, and character.

She hoped he wouldn't get in trouble with local customs.

There might have been a problem with customs, or bad traffic, but the plan had allowed for that.

"If everything goes well with customs, we will have some Thursday," she said.

On 20 September 1905 a station was built with a post office and customs.

In keeping with custom, I was obliged to hand over $20, and we left.

"It probably has something to do with our dietary customs."