Kenora MP Greg Rickford says he had continued talks with constituents and labour groups before supporting Bill C-377.
Communications, Energy and Paperworkers Union local rep Stephen Boon is upset with Rickford for backing the legislation, that would require transparency for labour organizations.
Rickford says Boon should have done his homework.
He says he had serious concerns about the legislation and managed to get some changes that his constituents asked for.
Rickford notes one union group he worked closely with was the Registered Nurses Association of Ontario.
He says changes to the Legislation were made and he believes the Bill represented the transparency that all union members and Canadians could accept.