All work, with the exception of some production staff, is done on a volunteer basis.

The section has no paid staff and all work is on a volunteer basis.

Almost all the newspaper staff works on a volunteer basis.

It is free to join and all members work on a volunteer basis.

Most of the employees are now working on a volunteer basis.

Its members work free of charge and on a volunteer basis.

I have been living here for 3 years and working on a volunteer basis during that time.

From 1824 to 1914, fire protection was provided on a volunteer basis.

All the actors worked for the show on a volunteer basis.

The test is also available on a volunteer basis to veteran teachers.