Profit tax return filing has to be attached with audit financial statement and tax computation for tax assessment purposes.

In normal situation, Tax return has to be filed with IRD with 1 month (first return: 3 months) of issuing. Or your auditor may do this for you.

Late filing of tax return will lead to a fine or even prosecutions.

Medium-sized Company：Depends on number of transaction and complexity.

(Note: you have to prepare profit and loss account, balance sheet and ledger for audit purpose. Accountancy fee may be charge in case you are in lack of these documents.