6. Is there a ban on donations from Trade Unions to candidates?
Barbados
35.(1) The funds of a trade union shall not be applied either directly or in conjunction with any other trade union, association or body, or otherwise indirectly, in the furtherance of any political object, other than the political objects specified in this section, and unless the furtherance of those objects or any one or more of them has been approved as an object of the trade union by a resolution for the time being in force passed on ballot of the members of the trade union taken in accordance with this section for the purpose by a majority of the members voting; [...]
(3) The political objects to which this section applies are the expenditure of money –
(a) on the payment of any expenses incurred either directly or indirectly by a candidate or prospective candidate for election to the House of Assembly or to any public office, before, during or after the election in connection with his candidature or election; or [...]
(c) in connection with the registration of electors or the election of a candidate for the House of Assembly or any public office; or [...]
Source: Article 35, Trade Unions Act, 1964 (amended 1988)
Donation from Trade Unions to candidates are allowed.