Illegal. According to the inquiry of the Land Registration Measures, it is illegal to obtain the certificate of ownership by forging signatures, and you can be accountable to the public security department or report to the Land and Resources Bureau. The forest right certificate is a certificate that the local people's government at or above the county level or the competent forestry department of the State Council confirms the ownership or use right of forests, trees and woodlands owned by the state or collectively, trees owned by individuals and woodlands used, and registers and issues certificates according to relevant procedures.