Conditions for registration of medical device testing laboratory The following conditions shall be complied with by the applicant before grant of registration, namely:— (i) the premises where the test or evaluation shall be carried out shall be well lighted and properly ventilated except where the nature of tests of any medical device warrants otherwise, and wherever necessary, the premises shall be air conditioned so as to maintain the accuracy and functioning of laboratory instruments or to enable the performance of special tests such as sterility tests, microbiological tests, etc.;