Except as otherwise provided by law, assignments of all liens shall be in writing. Under an assignment, the assignee shall have all the rights of the assignor as provided by law. History. Ga. L. 1873, p. 42, § 21; Code 1873, § 1996; Code 1882, § 1996; Civil Code 1895, § 2822; Civil Code 1910, § 3372; 666 44-14-324 MORTGAGES, SECURITY, LIENS 44-14-325 Code 1933, § 67-1705.