Why does the township government only ask the elderly (70-year-old head of household) to sign the land acquisition by developers, and the adult children don't know? Is it effective? Signed, we rely on dirt. ... Because the old man is the head of the family, isn't the land contract signed by the head of the family on behalf of the family? However, developers cannot directly requisition land, and township governments have no right to requisition land. Only the county-level government has the right to requisition collective land, and it must be approved by the provincial government. So the old man's signature does not mean legal.