A delegation from the Relatives for Justice group will gather in Parliament Square at 1pm and will then walk to 10 Downing Street to hand deliver a letter setting out opposition to the Bill at 2.30pm.
Introduced to the House of Commons last week, the draft laws offer immunity to those who are deemed to have co-operated with an information retrieval body. The proposed legislation has been widely criticised by Northern Ireland's political parties, as well as victims' campaigners, the Irish Government and Amnesty International.
Mark Thompson, chief executive of Relatives for Justice, said the Bill"undermines fundamental human rights enshrined within the Good Friday Agreement and the very institutions that flow from the agreement".
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