This particular homeless count is and continues to be conducted once every three years, taking place over a brief 24-hour period.

Since then, a census has been conducted once every ten years.

This was a relic from an importer's office that Andrew's father had once conducted.

Inspections of tobacco product manufacturing facilities are required to be conducted at least once every two years.

The State of Nebraska has since established regional programs providing services once conducted by the school.

Though the common exams were conducted once every six months, it is no more in practice.

The race is conducted once a year and is held in different categories.

This holy ceremony has been conducted once every year, during the annual ceremony.

Many younger doctors did not know that grand rounds were once conducted with patients on stage.

This procedure is conducted once, with the exception of all vessels not having been found.