Skandapurana 16.7.82

16.7.82

tasmātsarvaprayatnena pāpaṃ tatra na kārayet ..
anyatrā''vartitaṃ pāpaṃ kṣetre cāsminvinaśyati .. 82 ..

Therefore, by every effort, one should not commit sin there. / A sin committed elsewhere is destroyed in this sacred field;