(a) Whoever commits a crime or offense or aids, abets, counsels, commands, induces or procures its commission, is punishable as a principal.
(b) Whoever willfully causes an act to be done which if directly performed by him or another person would be a crime or offense, is punishable as a principal.
(c) Persons within this section shall be prosecuted and tried as principals, and no fact need be alleged in the information against them other than is required in the information against the principal.
(d) Whoever, being sixteen years of age or older, aids, abets, counsels, commands, induces or procures the commission of the crime of first or second degree robbery, first or second degree burglary, or first or second degree arson by a person under the age of sixteen shall be tried as an adult principal for the crime and punishable under the sentencing provisions prescribed for such crime, provided that such adult principal shall be imprisoned for a mandatory minimum term of imprisonment of not less than two years, or the mandatory minimum sentence provided at law for such crime, whichever is greater. Notwithstanding any other provision of law to the contrary, adjudication of guilt or imposition of sentence under this subsection shall not be suspended, deferred, or withheld, nor shall such person be eligible for parole prior to serving the mandatory minimum term of imprisonment prescribed by this subsection.