If the results of the tests described above do not meet the requirements, tests on the headlamp shall be repeated using another standard gas-discharge light source, a gas-discharge light source and ballast or (an) LED module(s) and electronic light source control gear(s), whatever is applicable according to paragraph 1.3.1. above.
If the results of the tests described above do not meet the requirements, tests on the headlamp shall be repeated using another standard gas-discharge light source, a gas-discharge light source and ballast or (an) LED module(s) and electronic light source control gear(s), whatever is applicable according to paragraph 1.3.1. above.