VAT return

Due date for August VAT returns unless exempted.

EC sales list

Deadline for paper monthly or quarterly return filing.

CT61 payment

Due date for income tax for the CT61 quarter to 30 September 2018.

Intrastat

Due date for payment of supplementary declarations for September 2018.

CT61 payment

Due date for income tax for the CT61 quarter to 30 June 2018.