Convening Referendum
| Convening Referendum | 6th September |
Electoral Administration
| Appointment of the members of the Electoral Commission of Catalonia by Parliament (ECC) | 6th September |
| Appointment of the members of the Local Electoral Commissions (LEC) | 9th September |
| Publication of the composition of the ECC and LEC | 11th September |
| Mandate of the Local Electoral Commissions (LEC) expires | 6th October |
Division of circumscriptions into sections and polling points
| Public release with number of electoral sections and polling points, the boundaries, and the premises | 21st September – 30th September |
Appointment of polling point officers
| Draw of the polling point officers | 8th September – 13th September |
| Notification to polling point officers | 8th September – 15th September |
| Filing of allegations for leave as a polling point officer | 8th September – 18th September |
| Local Electoral Commissions resolutions regarding allegations filed | 8th September – 20th September |
| LEC receives communication regarding allegations accepted | 18th September – 1st October |
Polling point representatives and observers
| Interested organisations apply for accreditation to the ECC | 6th September – 12th September |
| Resolution by the EEC on the applications for accreditation from interested organisations | 6th September – 14th September |
| Political parties with representation in Parliament and accredited interested organisations appoint a representative to the ECC | 6th September – 15th September |
| LEC representatives are appointed to the ECC | 6th September – 17th September |
| Appointment of polling point party representatives and observers to LECs | 18th September – 26th September |
| LECs accredit polling point party representatives and observers | 18th September – 30th September |
International electoral observers
| Accreditation process for international electoral observers by the ECC | 7th September – 25th September |
| International observation missions submit their preliminary reports to the ECC | 1st October – 2nd October |
| International observation missions submit their final reports to the ECC | Within 10 days from the release of the final results |
Referendum Campaign
| Referendum campaign | 15th September – 29th September |
| Prohibition of publication of survey results | 26th September – 30th September |
Vote from catalan residing abroad
| Voters residing abroad receive instructions to apply to register to vote | 6th September – 13th September |
| Deadline for reception of postal vote from voters residing abroad | 1st October at 8 pm (Catalan time) |
Paper Ballot
| Paper Ballot | 1st October (from 9 am to 8 pm) |
Vote count and announcement of results
| Vote counting by the ECC | 4th October – 7th October |
| Results published in the DOGC Gazette | 5th October – 8th October |
