In addition, the licencee being he propagator, grower or dealer - will have to sign a Licence Agreement for the specific use of certain varieties, and valid for a specified period.

• 此外，被授权人，不论是繁殖者、生产者或是经销商，需要签署一份授权合约，声明针对某些品种的特定用途，以及特定的有效期间。