This excerpt taken from the PL DEF 14A filed Apr 2, 2007.
Other Provisions. Investment choices must be in 1% increments. An officer may transfer money between the mutual funds on any business day. An officer may not transfer money into or out of our common stock. An officer may elect to receive dividend equivalents on deferred stock in cash, instead of having them reinvested. We do not provide any above-market or preferential earnings rates, and do not guarantee that an officers investments will make money.
If an officer terminates employment due to death or disability, the officers plan balance is paid immediately in a lump sum. Also, if an officer terminates employment before early or normal retirement under our pension plan, the officers plan balance is paid immediately in a lump sum, regardless of the officers other elections.
Amounts invested in mutual funds are paid in cash. Amounts invested in our common stock are paid in shares of stock.