We are considering doing this on jan 1, 2014.
ANSWER: The in-plan Roth solo 401k conversion form would need to fill out prior to the in-plan conversion. Click here to learn about the Roth solo 401k conversion process.
QUESTION 2: Additionally do solo 401ks allow for recharacterization (converting back to regular solo 401k if you decide to) within a year or so, as IRAs allow for?
ANSWER: Unlike the Roth IRA conversion rules, the Roth solo 401k conversion rules do not permit recharacterazations. Click here to learn more.