Around one third of the year 9 age group join the Contingent on a purely voluntary basis.

He joined on a permanent basis later that year.

He joined the 1980 Olympic team on a full-time basis in 1979 after his college career had ended.

I invite you to join our community on a permanent basis.

With this completed Delvecchio would join the team on a full-time basis.

During the 2006 season, a fourth chassis joined the series on an experimental basis.

She began to join him on a daily basis.

However, nothing came of it and he continued with his previous team, joining on a permanent basis.

Some argued that Britain should join on a similar basis.

However, he turned down the opportunity to join them on a full-time basis, and reportedly departed the band after just two weeks.