I wouldn't sign a contract with that in it, but others might. Check with your local Vizsla club, and local Vizsla rescue, and see if they have any info on this breeder. Most of the local groups know who the good ,and bad breeders are.
Not all those who wander are lost.
Life is just a leap of faith.
Spread your arms and hold your breath and always trust your cape.
Two things define you. Your patience when you have nothing, and your attitude when you have everything.