Personality Tests to assess employment suitability

Morning fellow recruiters and HR professionals,

Our company, a privately held organization dealing in the healthcare sector is currently looking at the possibility to implement / integrate personality assessment tests (I.e.: Myer-Briggs typology etc…), within our recruitment process for ‘sales’ type positions.

Despite the amplitude of companies and consulting firms which provide such services, I’m finding it difficult to find information on the legal implications for the following at the very beginning of the recruitment process. I know many larger companies employ the services of a qualified industrial or organizational psychologist who would normally take charge of the following however this is not our case.

Any advice on the following would be greatly appreciated!

Elio