three-yearly

the company conducts a three-yearly audit of its financial records.

we have a three-yearly review of our marketing strategy.

the three-yearly conference attracts researchers from around the globe.

the team meets for a three-yearly performance assessment.

the census is taken every three years, a three-yearly process.

the three-yearly report details the project's progress.

the school board holds a three-yearly election for new members.

the government provides three-yearly funding for the arts program.

it's a demanding three-yearly cycle for the research team.

the museum showcases new exhibits on a three-yearly basis.

we plan a three-yearly visit to the manufacturing facility.