{"product":"vat-deadline-nl","free":true,"input":{"period_type":"quarter","year":2026,"period":3},"output":{"ok":true,"result":{"period_type":"quarter","year":2026,"period":3,"period_label":"2026-Q3","period_start":"2026-07-01","period_end":"2026-09-30","return_due":"2026-10-31","payment_due":"2026-10-31","due_weekday":"Saturday","due_on_weekend":true,"due_holiday":null,"atw_effective_due":"2026-11-02","atw_effective_weekday":"Monday","due_moved_by_atw":true,"atw_reason":"due_date_on_saturday","days_after_period_end":31,"rule":"end_of_month_after_period"},"warnings":["Under the Algemene termijnenwet the term may run until 2026-11-02; the Belastingdienst publishes 2026-10-31 (a Saturday); 2026-10-31 is the safe date","Payment counts as on time when it is received by the Belastingdienst on or before the due date, not when it is sent","Information, not tax advice: deadlines in a personal invitation or a granted extension take precedence"]},"paid_url":"https://forge.fizzl.eu/p/vat-deadline-nl"}