BEGIN:VCALENDAR
VERSION:2.0
PRODID:-//The Leaf Register//Cannabis Calendar//EN
CALSCALE:GREGORIAN
METHOD:PUBLISH
X-WR-CALNAME:Tax deadlines — Cannabis Calendar (Leaf Register)
X-WR-CALDESC:Cannabis industry events\, retail sales dates\, policy and reg
 ulatory deadlines — maintained by The Leaf Register (leafregister.com/ca
 lendar/).
X-PUBLISHED-TTL:P1D
REFRESH-INTERVAL;VALUE=DURATION:P1D
BEGIN:VEVENT
UID:tax-ca-cdtfa-01-2026@leafregister.com
DTSTAMP:20260827T161930Z
DTSTART;VALUE=DATE:20260202
DTEND;VALUE=DATE:20260203
SUMMARY:California cannabis excise tax return due — Q4 (Oct–Dec) of the
  prior year
DESCRIPTION:Cannabis retailers file the CDTFA cannabis retailer excise tax 
 return and payment for Q4 (Oct–Dec) of the prior year. The excise rate i
 s 15% through June 30\, 2028 (AB 564).\nCDTFA — cannabis retailers: http
 s://cdtfa.ca.gov/industry/cannabis/retailers.htm\nStatus: confirmed. Check
 ed 2026-08-17.\nhttps://leafregister.com/calendar/
CATEGORIES:Tax deadlines
URL:https://leafregister.com/calendar/?event=tax-ca-cdtfa-01-2026
STATUS:CONFIRMED
TRANSP:TRANSPARENT
END:VEVENT
BEGIN:VEVENT
UID:tax-fed-mar15-2026@leafregister.com
DTSTAMP:20260827T161930Z
DTSTART;VALUE=DATE:20260316
DTEND;VALUE=DATE:20260317
SUMMARY:Federal return due — partnerships & S-corps (Form 1065 / 1120-S)
DESCRIPTION:Calendar-year partnerships and S corporations file (or extend)\
 ; 280E disallowance flows through to owners' K-1s.\nIRS — filing deadlin
 es: https://www.irs.gov/filing\nStatus: confirmed. Checked 2026-08-17.\nht
 tps://leafregister.com/calendar/
CATEGORIES:Tax deadlines
URL:https://leafregister.com/calendar/?event=tax-fed-mar15-2026
STATUS:CONFIRMED
TRANSP:TRANSPARENT
END:VEVENT
BEGIN:VEVENT
UID:tax-fed-apr15-2026@leafregister.com
DTSTAMP:20260827T161930Z
DTSTART;VALUE=DATE:20260415
DTEND;VALUE=DATE:20260416
SUMMARY:Federal return due — C-corps & individuals (Form 1120 / 1040)
DESCRIPTION:Calendar-year C corporations and individuals file (or extend) a
 nd pay. Q1 estimated tax is also due. If April 15 falls on a weekend or DC
 's Emancipation Day\, the IRS moves it — confirm each year.\nIRS — fil
 ing deadlines: https://www.irs.gov/filing\nStatus: confirmed. Checked 2026
 -08-17.\nhttps://leafregister.com/calendar/
CATEGORIES:Tax deadlines
URL:https://leafregister.com/calendar/?event=tax-fed-apr15-2026
STATUS:CONFIRMED
TRANSP:TRANSPARENT
END:VEVENT
BEGIN:VEVENT
UID:tax-ca-cdtfa-04-2026@leafregister.com
DTSTAMP:20260827T161930Z
DTSTART;VALUE=DATE:20260430
DTEND;VALUE=DATE:20260501
SUMMARY:California cannabis excise tax return due — Q1 (Jan–Mar)
DESCRIPTION:Cannabis retailers file the CDTFA cannabis retailer excise tax 
 return and payment for Q1 (Jan–Mar). The excise rate is 15% through June
  30\, 2028 (AB 564).\nCDTFA — cannabis retailers: https://cdtfa.ca.gov/i
 ndustry/cannabis/retailers.htm\nStatus: confirmed. Checked 2026-08-17.\nht
 tps://leafregister.com/calendar/
CATEGORIES:Tax deadlines
URL:https://leafregister.com/calendar/?event=tax-ca-cdtfa-04-2026
STATUS:CONFIRMED
TRANSP:TRANSPARENT
END:VEVENT
BEGIN:VEVENT
UID:tax-ca-cdtfa-07-2026@leafregister.com
DTSTAMP:20260827T161930Z
DTSTART;VALUE=DATE:20260731
DTEND;VALUE=DATE:20260801
SUMMARY:California cannabis excise tax return due — Q2 (Apr–Jun)
DESCRIPTION:Cannabis retailers file the CDTFA cannabis retailer excise tax 
 return and payment for Q2 (Apr–Jun). The excise rate is 15% through June
  30\, 2028 (AB 564).\nCDTFA — cannabis retailers: https://cdtfa.ca.gov/i
 ndustry/cannabis/retailers.htm\nStatus: confirmed. Checked 2026-08-17.\nht
 tps://leafregister.com/calendar/
CATEGORIES:Tax deadlines
URL:https://leafregister.com/calendar/?event=tax-ca-cdtfa-07-2026
STATUS:CONFIRMED
TRANSP:TRANSPARENT
END:VEVENT
BEGIN:VEVENT
UID:tax-fed-sep15-2026@leafregister.com
DTSTAMP:20260827T161930Z
DTSTART;VALUE=DATE:20260915
DTEND;VALUE=DATE:20260916
SUMMARY:Extended federal return due — partnerships & S-corps\; Q3 estimat
 es
DESCRIPTION:Extended 1065 / 1120-S returns are due\; third-quarter estimate
 d tax payment due.\nIRS — filing deadlines: https://www.irs.gov/filing\n
 Status: confirmed. Checked 2026-08-17.\nhttps://leafregister.com/calendar/
CATEGORIES:Tax deadlines
URL:https://leafregister.com/calendar/?event=tax-fed-sep15-2026
STATUS:CONFIRMED
TRANSP:TRANSPARENT
END:VEVENT
BEGIN:VEVENT
UID:tax-fed-oct15-2026@leafregister.com
DTSTAMP:20260827T161930Z
DTSTART;VALUE=DATE:20261015
DTEND;VALUE=DATE:20261016
SUMMARY:Extended federal return due — C-corps & individuals
DESCRIPTION:Extended 1120 and 1040 returns are due.\nIRS — filing deadlin
 es: https://www.irs.gov/filing\nStatus: confirmed. Checked 2026-08-17.\nht
 tps://leafregister.com/calendar/
CATEGORIES:Tax deadlines
URL:https://leafregister.com/calendar/?event=tax-fed-oct15-2026
STATUS:CONFIRMED
TRANSP:TRANSPARENT
END:VEVENT
BEGIN:VEVENT
UID:tax-ca-cdtfa-10-2026@leafregister.com
DTSTAMP:20260827T161930Z
DTSTART;VALUE=DATE:20261102
DTEND;VALUE=DATE:20261103
SUMMARY:California cannabis excise tax return due — Q3 (Jul–Sep)
DESCRIPTION:Cannabis retailers file the CDTFA cannabis retailer excise tax 
 return and payment for Q3 (Jul–Sep). The excise rate is 15% through June
  30\, 2028 (AB 564).\nCDTFA — cannabis retailers: https://cdtfa.ca.gov/i
 ndustry/cannabis/retailers.htm\nStatus: confirmed. Checked 2026-08-17.\nht
 tps://leafregister.com/calendar/
CATEGORIES:Tax deadlines
URL:https://leafregister.com/calendar/?event=tax-ca-cdtfa-10-2026
STATUS:CONFIRMED
TRANSP:TRANSPARENT
END:VEVENT
BEGIN:VEVENT
UID:tax-ca-cdtfa-01-2027@leafregister.com
DTSTAMP:20260827T161930Z
DTSTART;VALUE=DATE:20270201
DTEND;VALUE=DATE:20270202
SUMMARY:California cannabis excise tax return due — Q4 (Oct–Dec) of the
  prior year
DESCRIPTION:Cannabis retailers file the CDTFA cannabis retailer excise tax 
 return and payment for Q4 (Oct–Dec) of the prior year. The excise rate i
 s 15% through June 30\, 2028 (AB 564).\nCDTFA — cannabis retailers: http
 s://cdtfa.ca.gov/industry/cannabis/retailers.htm\nStatus: confirmed. Check
 ed 2026-08-17.\nhttps://leafregister.com/calendar/
CATEGORIES:Tax deadlines
URL:https://leafregister.com/calendar/?event=tax-ca-cdtfa-01-2027
STATUS:CONFIRMED
TRANSP:TRANSPARENT
END:VEVENT
BEGIN:VEVENT
UID:tax-fed-mar15-2027@leafregister.com
DTSTAMP:20260827T161930Z
DTSTART;VALUE=DATE:20270315
DTEND;VALUE=DATE:20270316
SUMMARY:Federal return due — partnerships & S-corps (Form 1065 / 1120-S)
DESCRIPTION:Calendar-year partnerships and S corporations file (or extend)\
 ; 280E disallowance flows through to owners' K-1s.\nIRS — filing deadlin
 es: https://www.irs.gov/filing\nStatus: confirmed. Checked 2026-08-17.\nht
 tps://leafregister.com/calendar/
CATEGORIES:Tax deadlines
URL:https://leafregister.com/calendar/?event=tax-fed-mar15-2027
STATUS:CONFIRMED
TRANSP:TRANSPARENT
END:VEVENT
BEGIN:VEVENT
UID:tax-fed-apr15-2027@leafregister.com
DTSTAMP:20260827T161930Z
DTSTART;VALUE=DATE:20270415
DTEND;VALUE=DATE:20270416
SUMMARY:Federal return due — C-corps & individuals (Form 1120 / 1040)
DESCRIPTION:Calendar-year C corporations and individuals file (or extend) a
 nd pay. Q1 estimated tax is also due. If April 15 falls on a weekend or DC
 's Emancipation Day\, the IRS moves it — confirm each year.\nIRS — fil
 ing deadlines: https://www.irs.gov/filing\nStatus: confirmed. Checked 2026
 -08-17.\nhttps://leafregister.com/calendar/
CATEGORIES:Tax deadlines
URL:https://leafregister.com/calendar/?event=tax-fed-apr15-2027
STATUS:CONFIRMED
TRANSP:TRANSPARENT
END:VEVENT
BEGIN:VEVENT
UID:tax-ca-cdtfa-04-2027@leafregister.com
DTSTAMP:20260827T161930Z
DTSTART;VALUE=DATE:20270430
DTEND;VALUE=DATE:20270501
SUMMARY:California cannabis excise tax return due — Q1 (Jan–Mar)
DESCRIPTION:Cannabis retailers file the CDTFA cannabis retailer excise tax 
 return and payment for Q1 (Jan–Mar). The excise rate is 15% through June
  30\, 2028 (AB 564).\nCDTFA — cannabis retailers: https://cdtfa.ca.gov/i
 ndustry/cannabis/retailers.htm\nStatus: confirmed. Checked 2026-08-17.\nht
 tps://leafregister.com/calendar/
CATEGORIES:Tax deadlines
URL:https://leafregister.com/calendar/?event=tax-ca-cdtfa-04-2027
STATUS:CONFIRMED
TRANSP:TRANSPARENT
END:VEVENT
BEGIN:VEVENT
UID:tax-ca-cdtfa-07-2027@leafregister.com
DTSTAMP:20260827T161930Z
DTSTART;VALUE=DATE:20270802
DTEND;VALUE=DATE:20270803
SUMMARY:California cannabis excise tax return due — Q2 (Apr–Jun)
DESCRIPTION:Cannabis retailers file the CDTFA cannabis retailer excise tax 
 return and payment for Q2 (Apr–Jun). The excise rate is 15% through June
  30\, 2028 (AB 564).\nCDTFA — cannabis retailers: https://cdtfa.ca.gov/i
 ndustry/cannabis/retailers.htm\nStatus: confirmed. Checked 2026-08-17.\nht
 tps://leafregister.com/calendar/
CATEGORIES:Tax deadlines
URL:https://leafregister.com/calendar/?event=tax-ca-cdtfa-07-2027
STATUS:CONFIRMED
TRANSP:TRANSPARENT
END:VEVENT
BEGIN:VEVENT
UID:tax-fed-sep15-2027@leafregister.com
DTSTAMP:20260827T161930Z
DTSTART;VALUE=DATE:20270915
DTEND;VALUE=DATE:20270916
SUMMARY:Extended federal return due — partnerships & S-corps\; Q3 estimat
 es
DESCRIPTION:Extended 1065 / 1120-S returns are due\; third-quarter estimate
 d tax payment due.\nIRS — filing deadlines: https://www.irs.gov/filing\n
 Status: confirmed. Checked 2026-08-17.\nhttps://leafregister.com/calendar/
CATEGORIES:Tax deadlines
URL:https://leafregister.com/calendar/?event=tax-fed-sep15-2027
STATUS:CONFIRMED
TRANSP:TRANSPARENT
END:VEVENT
BEGIN:VEVENT
UID:tax-fed-oct15-2027@leafregister.com
DTSTAMP:20260827T161930Z
DTSTART;VALUE=DATE:20271015
DTEND;VALUE=DATE:20271016
SUMMARY:Extended federal return due — C-corps & individuals
DESCRIPTION:Extended 1120 and 1040 returns are due.\nIRS — filing deadlin
 es: https://www.irs.gov/filing\nStatus: confirmed. Checked 2026-08-17.\nht
 tps://leafregister.com/calendar/
CATEGORIES:Tax deadlines
URL:https://leafregister.com/calendar/?event=tax-fed-oct15-2027
STATUS:CONFIRMED
TRANSP:TRANSPARENT
END:VEVENT
BEGIN:VEVENT
UID:tax-ca-cdtfa-10-2027@leafregister.com
DTSTAMP:20260827T161930Z
DTSTART;VALUE=DATE:20271101
DTEND;VALUE=DATE:20271102
SUMMARY:California cannabis excise tax return due — Q3 (Jul–Sep)
DESCRIPTION:Cannabis retailers file the CDTFA cannabis retailer excise tax 
 return and payment for Q3 (Jul–Sep). The excise rate is 15% through June
  30\, 2028 (AB 564).\nCDTFA — cannabis retailers: https://cdtfa.ca.gov/i
 ndustry/cannabis/retailers.htm\nStatus: confirmed. Checked 2026-08-17.\nht
 tps://leafregister.com/calendar/
CATEGORIES:Tax deadlines
URL:https://leafregister.com/calendar/?event=tax-ca-cdtfa-10-2027
STATUS:CONFIRMED
TRANSP:TRANSPARENT
END:VEVENT
BEGIN:VEVENT
UID:ca-excise-tax-ab564-sunset-2028@leafregister.com
DTSTAMP:20260827T161930Z
DTSTART;VALUE=DATE:20280630
DTEND;VALUE=DATE:20280701
SUMMARY:California cannabis excise tax — AB 564 15% rate period ends
DESCRIPTION:AB 564 rolled California's cannabis excise tax back to 15% (fro
 m 19%) effective October 1\, 2025\, through June 30\, 2028. Retailers shou
 ld watch CDTFA guidance ahead of this date for the rate that follows.\nCDT
 FA — cannabis retailers: https://cdtfa.ca.gov/industry/cannabis/retailer
 s.htm\nCannabis Business Times — AB 564 signed: https://www.cannabisbusi
 nesstimes.com/us-states/california/news/15755996/california-governor-signs
 -bill-to-halt-cannabis-excise-tax-hike\nStatus: confirmed. Checked 2026-08
 -17.\nhttps://leafregister.com/calendar/
CATEGORIES:Tax deadlines
URL:https://leafregister.com/calendar/?event=ca-excise-tax-ab564-sunset-202
 8
STATUS:CONFIRMED
TRANSP:TRANSPARENT
END:VEVENT
END:VCALENDAR