**The Ministry of National Defence acknowledged that prior to the signing of contracts with the Republic of Korea, no assessment of the existence of the basic interest of state security, which was the basis for the possible application of the offset, was not carried out, and so this instrument was not used. However, the Ministry of defence emphasizes that agreements related to purchases in the Republic of Korea are part of urgent measures aimed at strengthening the defence capabilities of the Republic of Poland in accordance with the Law on defence of the Fatherland. What legal basis did the Ministry of Defence choose? **