Foreign investment in fisheries is subject to additional conditions (art. 9 of the Marine Fisheries Act of 2020) when the activity is carried out by 'foreign fishing vessels', i.e. any vessel other than a local fishing vessel of which at least 51 (fifty one) percent is owned by a foreign person. For the purposes of the OECD FDI Regulatory Restrictiveness Index, it is understood (assumed) that 'foreign fishing vessels' are only granted a licence to undertake commercial fishing in Bangladesh waters in exceptional circumstances or when pursuant to Bangladesh's commitments under bileteral and/or international agreements.
"Definition
Article 2. Unless there is anything contrary to the subject or context, in this Act— [...]
(11) "foreign fishing vessel" means any vessel other than a local fishing vessel of which at least 51 (fifty one) percent is owned by a foreign person; [...]
(24) "local fishing vessel" means a fishing vessel which—
(a) wholly owned by a citizen of Bangladesh, or
(b) Vessels wholly owned by a company, society or other association  established by law of which at least 51 (fifty one) percent of the total ownership is owned by citizens of Bangladesh and registered in Bangladesh and flying the flag of Bangladesh in a joint venture or any other arrangement subject to the approval of the Government. Vessels engaged in fishing activities as, or
(c) any vessel operated wholly under the ownership of the Government or under the ownership of a body statutory under the laws of Bangladesh.
[...]
Chapter III. GENERAL LICENSING MATTERS 
Article 7.  
(1) No person shall, except by obtaining a license or permit subject to the provisions of section 21, collect fish in marine fishing areas or in the deep sea by means of vessels or in any other manner:
(a) Provided that the provisions of this section shall not apply in the case of deep sea fishing by foreign fishing vessels.
[...]
8. Power to issue licence. 
(1) The Director may issue licence to the owner of the fishing vessel, in such manner as may be prescribed, with prior approval of the Government in the case of commercial trawlers and, in the case of mechanised fishing vessels without prior approval of the Government.  
(2) No licence shall be issued, in excess of the number of fishing vessels specified under section 4, by the Director.  
9. Application for licence.
(1) The owner of a fishing vessel shall, in order to obtain a licence for fishing, apply to the Director in such manner as may be prescribed.  
(2) The application shall contain the following documents or information, namely:  (a) certificate, as a proof of citizenship or nationality of the applicant;  (b) valid documents of importing or building of fishing vessels;  (c) in the case of local fishing vessel, copy of Certificate of Registration and Certificate of Inspection issued under Bangladesh Merchant Shipping Ordinance, 1983 (Ordinance No. XXVI of 1983);  (d) documents as of proof of ownership of the fishing vessel;  (e) receipt of payment of fee as prescribed;  (f)  any other certificates or information as may be prescribed.  
(3) The owner of a foreign fishing vessel shall, in lieu of the documents mentioned in clauses (b) and (c) of sub-section (2), attach such certificates issued by the concerned fishing vessel registration authority of his country. 
[...]
15. Licence to be subject to conditions.
(1) The Director may, in such manner as may be prescribed or determined by sub-section (3), impose conditions on the following matters, namely: (a)  the areas and the period for fishing is authorised; (b)  the species, size, sex, age and quantities of fish that shall be caught or transport;  (c)  the methods of fishing and transport; (d)  the type, size and amount of fishing gear that may be used by the fishing vessel; (e)  regarding compliance with the orders and instructions given by the Government from time to time; (f)  the matter of keeping licence, issued to the fishing vessel, on board the fishing vessel; (g)  the marking of the fishing vessel and other methods for its identification; (h)  other matters as may be prescribed. 
(2) In addition to the conditions imposed under sub-section (1), the Government may impose any other conditions in case of licence of foreign fishing vessels.
[...]
Chapter V - Fishing activities by foreign fishing vessels 
22. Refusal of issuing licence to foreign fishing vessels.
The Government, by mentioning grounds or if thinks fit without mentioning any grounds, may refuse to issue a licence under section 8 in respect of a foreign fishing vessel. [...]" (Act No. 19 of 26 November 2020 on Marine Fisheries) [google translated]
ACT No. 19 of 26 November 2020 on Marine Fisheries
[<a href="https://www.dpp.gov.bd/upload_file/gazettes/48394_75231.pdf">Act</a>]