It is convertible into common stock, but its conversion requires approval by a majority vote at the stockholders' meeting.

Sometimes however, economic conversion requires purchase of another firm to supply "complementary capacities."

The conversion requires the approval of a state supreme court.

The conversion of all under Frankish rule required a considerable amount of time and effort.

But such conversions would require the approval of the Regents, parents and the local school board.

The conversion from a streetcar to bus system required two years.

But the conversion will require the investment of an additional $30 million.

For a healthy fish tank this conversion requires careful control.

If parents convert to Islam, conversion of the child requires his or her personal commitment and is not automatic.

If there is not an exact representation then the conversion requires a choice of which floating-point number to use to represent the original value.