Reference for Zevachim 72:9

ולא היא התם זריק ומיחזי הכא לא מיחזי כלל

R'Huna raised an objection to R'Abba: [If the priest intended] applying [the blood] which should be applied above [the line] below [it], [or what should be applied] below, above, immediately, it is valid.

Jastrow