Component of the CHS5/6 complex which mediates export of specific cargo proteins, including chitin synthase CHS3. Also involved in targeting FUS1 to sites of polarized growth. Component of the CHS5/6 complex composed of the 4 CHAPS proteins BCH1, BCH2, BUD7, and CHS6 as well as at least CHS5 and GTP-bound ARF1. The complex interacts with the cargo protein CHS3. Trans-Golgi network location requires interaction with myristoylated GTP-bound ARF1 for the recruitment to the membranes. Abolishes CHS3 localization to the bud neck and plasma membrane, with increased protein localization to intracellular vesicles. Present with 172 molecules/cell in log phase SD medium. Belongs to the CHS5 family.