I discovered that Valvoline Multi Import carries the approved specification for the 722.6 / NAG-1 Transmission.
It is sold at Advance Auto Part for about $7.00 US dollars
Valvoline? Import Multi-Vehicle Automatic Transmission Fluid : Product Catalog - Valvoline®
It is sold at Advance Auto Part for about $7.00 US dollars
Valvoline? Import Multi-Vehicle Automatic Transmission Fluid : Product Catalog - Valvoline®