66It is apparent from the usual meaning of those words and from the context in which they are used in those regulations that, in the field of rural development financed by the EAFRD, an ‘eligibility criterion’ must be understood as an indispensable prerequisite for the validity of an application for support, with the result that, if such a prerequisite is not met, the application for support must be rejected, and that a ‘commitment’ refers to the promise made by the applicant for support to comply, subject to the grant of that support, with an obligation, set out in the rural development programme, during the period in which the programme is implemented.