ﺍﺑﻼﻍ ﻗﺮﺍﺭﺩﺍﺩ Letter of commencement ﺍﺑﻼﻍ ﻗﺮﺍﺭﺩﺍﺩ ﻋﺒﺎﺭﺕ ﺍﺳﺖ ﺍﺯ ﺍﺭﺳﺎﻝ ﻧﺎﻣﻪ ﺭﺳﻤﯽ ﮐﺎﺭﻓﺮﻣﺎ ﺑﻪ ﻫﻤﺮﺍﻩ ﻗﺮﺍﺭﺩﺍﺩ ﺑﻪ ﻃﺮﻑ ﺩﯾﮕﺮ.