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The clearing calendar computes the MaBiS deadlines for a given settlement month. All deadlines are calculated in working days (Werktage) after the end of the settlement month, following BK6-24-174 rules.

Phases

The MaBiS clearing process follows a fixed sequence of phases:

Deadline fields

FieldTimingDescription
erstaufschlag_bg_szrM+10 WTBG-SZR Erstaufschlag — first aggregation summary published for balance groups
erstaufschlag_bk_szrM+12 WTBK-SZR Erstaufschlag — first aggregation summary published for balance circles
clearing_start_bg_szrM+11 WTBG-SZR clearing phase begins
clearing_start_bk_szrM+13 WTBK-SZR clearing phase begins
clearing_end_bg_szrM+30 WTBG-SZR clearing phase ends
clearing_end_bk_szrM+30 WTBK-SZR clearing phase ends
preliminary_deadlineM+18 WTPreliminary billing deadline
final_deadlineM+42 WTFinal billing deadline

Current phase

The current_phase field indicates which phase the settlement month is currently in:
PhaseMeaning
erstaufschlagBefore or during the Erstaufschlag period
clearingActive clearing phase
finalBetween preliminary and final billing (includes objection window M+18–30 WT)
closedPast the final deadline
Call GET /mabis/clearing-calendar?bilanzierungsmonat=2026-01-01 to compute deadlines for any month before creating a Clearing Period.

MaBiS clearing calendar for a settlement month.

bilanzierungsmonat
string
required

Settlement month (YYYY-MM-DD)

clearing_end_bg_szr
string
required

BG-SZR clearing phase end (30 WT)

clearing_end_bk_szr
string
required

BK-SZR clearing phase end (30 WT)

clearing_start_bg_szr
string
required

BG-SZR clearing phase start (11 WT)

clearing_start_bk_szr
string
required

BK-SZR clearing phase start (13 WT)

current_phase
string
required

Current phase: erstaufschlag, clearing, final, closed

erstaufschlag_bg_szr
string
required

BG-SZR Erstaufschlag deadline (10 WT)

erstaufschlag_bk_szr
string
required

BK-SZR Erstaufschlag deadline (12 WT)

final_deadline
string
required

Final billing deadline (42 WT)

preliminary_deadline
string
required

Preliminary billing deadline (18 WT)