In accordance with the principle of subsidiarity and subject to exceptions provided for in Regulation (EU) No 1301/2013 of the European Parliament and of the Council [9], the ESF Regulation, Regulation (EU) No 1300/2013 of the European Parliament and of the Council [10], Regulation (EU) No 1299/2013 of the European Parliament and of the Council [11], Regulation (EU) No 1305/2013 of the European Parliament and of the Council [12] and in the EMFF Regulation, Member States should adopt national rules on the eligibility of expenditure.
I gcomhréir le prionsabal na coimhdeachta agus faoi réir na n-eisceachtaí dá bhforáiltear i Rialachán (AE) Uimh. 1301/2013 ó Pharlaimint na hEorpa agus ón gComhairle [9], i Rialachán CSE, i Rialachán (AE) Uimh. 1300/2013 ó Pharlaimint na hEorpa agus ón gComhairle [10], i Rialachán (AE) Uimh. 1299/2013 ó Pharlaimint na hEorpa agus ón gComhairle [11], i Rialachán (AE) Uimh. 1305/2013 ó Pharlaimint na hEorpa agus ón gComhairle [12] agus i Rialachán CEMI, ba cheart do na Ballstáit rialacha náisiúnta a ghlacadh maidir le hincháilitheacht an chaiteachais.