Rules
- All teams from the four Treta liga groups and the 28 OG may enter the Preliminary Phase.
- Within each oblasten savet (of 28) teams play against each other until a single team remains. This is followed by eliminations between those winners within each of the four zonalni saveta, until four teams each from ZS Varna and ZS Veliko Tarnovo and six teams each from ZS Sofia and ZS Plovdiv are determined, a total of 20.
- Last season's winner of the Kupa na Amatyorskata liga /Botev 1937 (Ihtiman)/, if it wishes to participate, is automatically entered as one of the four representatives of its regional zonalen savet (Sofia), without playing qualifiers.
- Winners are determined over one leg with penalties if score is level after regular time.
- The lower level team within each pair is host. If both teams from a pair are from the same level, hosting is determined by draw.
- The three winners of the Preliminary Phase must be determined no later than 19 September 2026, Saturday, 17:00 EEST.
ZS representatives
Northeastern Bulgaria: Chernomorets (Balchik), Volov Shumen 2007 (Shumen),
Northwestern Bulgaria:
Southwestern Bulgaria:
Southeastern Bulgaria:
Note: If not shown otherwise, in all Preliminary Phase matches the team, listed first in each pair, is host.
Northeastern Bulgaria (ZS Varna)
Oblastni qualifications
Oblast Varna
Aksakovo (Aksakovo) is the only team from the oblast, which participates.
Oblast Dobrich
Chernomorets (Balchik) is the only team from the oblast, which participates.
Oblast Shumen
Botev (Novi pazar) and Volov Shumen 2007 (Shumen) participate. Eventually both teams are admitted to the next stage of the qualifiers.
Oblast Targovishte
SFK Svetkavitsa 2014 (Targovishte) is the only team from the oblast, which participates.
Oblast Ruse
There are no teams participating from the oblastni grupi in this oblast.
Oblast Silistra
There are no teams participating from the oblastni grupi in this oblast.
Oblast Razgrad
Benkovski (Isperih) is the only team from the oblast, which participates.
