12:3-68. Annual percentage of income in lieu of rent reserved in cash
In lieu of rent reserved in cash for the grant or lease of said riparian lands and lands under tidewater, the board may require as rental, for the full term of the grant or lease, an annual percentage of not less than thirty-three and one-third per cent of the income the lessee or grantee received from the use and occupation of the premises and the business or enterprise conducted thereon. The income shall be calculated and adjusted in such manner as the board shall determine and all of such requirements shall be set forth in detail in the grant or lease.