As already stated, overprinting was done row by row in multiple phases: first five-pointed star in red color and then, on top of it, inscription: 8.X.1944. / Jугославија in black color. For values: P1, XIII, XIV, PI, PII and PIII the third overprint phase was also required.
PIII, showing all three phases.
1944 Senta local provisional issue, third phase proof for PIII. Positions A1-10. This is the only example of third phase proof known to me.
