You have the following obligations:
1. Revenue - CT1 tax return within 8 months and 21 days of your year end
2. Revenue - 46G return, deadline as with CT1
3. CRO - abridged accounts, B1 and €20 cheque within 28 days of your ARD (or 56 days if you file online)
4. AGM within 18 months of incorporation. But as accounts have to be approved at an AGM and you have to file your abridged a/cs with CRO by your ARD date, AGM will be determined by your ARD date.
5. Oblidged to have at least one directors meeting per annum.
Regards