What legal responsibilities should be borne by those who have not obtained the seed production license or forged, altered, bought, sold or leased the seed production license to produce the seeds of major crops? According to the Seed Law of People's Republic of China (PRC), the production of commercial seeds of major crops is subject to a licensing system. It is forbidden to forge, alter, buy, sell or lease seed production licenses; It is forbidden for any unit or individual to produce seeds without a license or in accordance with the provisions of the license. Otherwise, you shall bear the following legal responsibilities:

(1) Administrative penalty. For those who have not obtained the seed production license or forged, altered, bought, sold or leased the seed production license, or failed to produce the seeds of major crops in accordance with the provisions of the seed production license, the agricultural administrative department of the people's government at or above the county level shall order them to make corrections, confiscate the seeds and illegal income, and impose a fine of 1 times and less than 3 times the illegal income; If there is no illegal income, a fine ranging from 1000 yuan to 30000 yuan shall be imposed; Offenders may revoke the seed production license.

(2) Criminal punishment. Whoever fails to obtain a seed production license or forges, alters, sells or rents a seed production license, or fails to produce seeds in accordance with the provisions of the seed production license, which constitutes a crime, shall be investigated for criminal responsibility according to law.