Yes, for companies with a turnover exceeding Rs. 1 million per annum or a paid-up capital above Rs. 500,000, it is a legal requirement to appoint a qualified Company Secretary.

In Sri Lanka, to be a qualified Company Secretary, one of the following criteria should be met: hold a Professional Qualification including Attorneys-at-Law (Lawyers), Institute of Chartered Accountants of Sri Lanka (ICASL), members Association of Chartered Secretaries and Administrators of Sri Lanka (ACSA), members Chartered Institute of Management Accountants (CIMA) members, members of other institutes approved by the Minister that offer relevant courses in company law or secretarial practice or individuals with special qualifications in company secretarial work approved by the Minister.

A company secretary in Sri Lanka is responsible for the administration of a company and ensuring all directors and shareholders are informed of their legal obligations under the Companies Act, such as filing annual returns. The responsibilities of a company secretary can vary based on the specific needs of the company. These include,

1. Maintaining and updating company registers and minute books.
2. Attend, and prepare minutes of company meetings.
3. Keep company directors informed about deadlines for annual returns and any other filings required by the Registrar of Companies (ROC).
4. Update directors and shareholders on relevant changes in corporate regulations.

As per section 221(2) of the Companies Act No. 7 of 2007, you will need to obtain Form 19- Consent and Certificate of Secretary from your Company Secretary and submit it along with the other company incorporation documents when registering your business. This form requires the registration number of the Secretary (if the Secretary is a registered Company Secretary) and the date of the Secretary's appointment.