I may be able to help shed some light here
A is most probably a bankrupt [under some legal incapacity] or have certain personal/valid reasons not to appear as a 'front-liner' there
Copied over from
https://www.mlaw.gov.sg/content/io/...or-bankrupts/information-for-bankrupts11.html
Responsibilities and Rights of a Bankrupt
3. Managing a Business or Becoming a Director
(a) Can I manage a business or a corporation?
You may
apply to the High Court or to the Official Assignee for permission to:
i. Manage or take part in any business under the Business Registration Act (Chapter 32); or
ii. Act as director or take part in or to be concerned in the management of any corporation (Singapore or foreign company) under the Companies Act (Chapter 50).
(b) How can I apply to manage a business or corporation?
Please download and submit this application form together with the supporting documents indicated on the application form to the Official Assignee.
(c) What are the factors taken into consideration when reviewing my application to manage a business or corporation?
Each application will be considered on its own merit. The Official Assignee will take into consideration a number of factors including:
•the cause of your bankruptcy;
•your conduct before and during bankruptcy;
•your previous involvement in the business or corporation;
•the nature and viability of the proposed business or corporation;
•the nature of your involvement in the business or corporation;
•the benefits to your creditors from your involvement in the business or corporation;
•the risk of you incurring more debt from running the business or corporation.
The Official Assignee may refuse the application or approve the application subject to conditions she may impose. Such conditions may include requesting that you maintain proper accounting records and make regular payments to the Official Assignee from the income or profits of the business or corporation for the benefit of creditors.
(d) How do I find out the status of my application to manage a business or corporation?
You may access the e-services portal (Individual Insolvency Administration Information) at our website and obtain the information at no charge.