How often must participants be able to make investment switches?
A plan may impose reasonable restrictions on the frequency of investment switches, but in no event less than quarterly or more frequently if the market volatility of the investment would make more frequent switching appropriate .
Additionally, if some investments on the menu allow more frequent switching then the investments included to satisfy the requirements of (b)(3)(i)(B) must allow the same frequency. In short, if some of the options allow daily switching, then all options must allow daily switching .