Justification and Approval for Other than Full and Open Competition under the Title 41 U.S.C 1901 as implemented by FAR 12.102(b), Only One responsible Source and No Other Supplies or Services will sa... Justification and Approval for Other than Full and Open Competition under the Title 41 U.S.C 1901 as implemented by FAR 12.102(b), Only One responsible Source and No Other Supplies or Services will satisfy Agency requirements.