ﻧﺎﻓﺬ ﺷﺪﻥ ﻗﺮﺍﺭﺩﺍﺩ Contract effectiveness

ﻧﺎﻓﺬ ﺷﺪﻥ ﻗﺮﺍﺭﺩﺍﺩ ﺑﻪ ﻣﻌﻨﺎی ﺷﺮوﻉ ﺗﻌﻬﺪﺍﺕ ﺩو ﻃﺮﻑ ﺍﺳﺖ.