The agreement on detainers is hereby enacted into law and entered into by this State with all other jurisdictions legally joining therein in the form substantially as follows: The Agreement on Detainers The contracting states solemnly agree that: Article I The party states find that charges outstanding against a prisoner, detainers based on untried indictments, informations or complaints, and difficulties in securing speedy trial of persons already incarcerated in other jurisdictions, produce uncertainties