ﻧﺎﻓﺬ ﺷﺪﻥ ﭘﯿﻤﺎﻥ Contract effectiveness

ﺑﻪ ﻣﻌﻨﺎی ﺷﺮوﻉ ﺗﻌﻬﺪﺍﺕ ﺩو ﻃﺮﻑ ﺍﺳﺖ.