• Experts can be expensive.
• A long lead time may be needed to 'book' appropriate experts.
• Format of the panel must encourage participation and dialogue between all panelists.
• Generally, this is used at the conclusion of participatory program where all available information has been considered.
• Public input may not be available.
• Used mostly where specialised knowledge is required rather than public opinion.
• A highly skilled moderator is required.
• Expertise in relevant and complementary areas will be needed to produce an 'expert opinion' which will be credible with the public, and which can be drawn on in the case of legal action.