A conditional fee agreement which satisfies all of the conditions applicable to it by virtue of this section shall not be unenforceable by reason only of its being a conditional fee agreement; but (subject to subsection (5)) any other conditional fee agreement shall be unenforceable.
For the purposes of this section and section 58A—
The following conditions are applicable to every conditional fee agreement—
The following further conditions are applicable to a conditional fee agreement which provides for a success fee—
The additional conditions are applicable to a conditional fee agreement which—
The additional conditions are that—
If a conditional fee agreement is an agreement to which section 57 of the Solicitors Act 1974 (non-contentious business agreements between solicitor and client) applies, subsection (1) shall not make it unenforceable.

