In re Rufener Constr., Inc., 53 F.3d 1064 (9th Cir. 1995)
          1113 does not apply to Chapter 7 cases under §103   

In re Hoffman Bros. Packing Co., 173 B.R. 177 (9th Cir. B.A.P. 1994)
          Cannot retroactively approve debtor’s unilateral changes in CBA