Garudapurana 1.10.4

1.10.4

kṣetrapālamathāgnyādau homāñjuhāva kāmabhāk /
oṃ ghaṃ ṭaṃ ḍaṃ haṃ śrīmahālakṣmyai namaḥ //

and the guardian of the field; then, beginning in the southeast, the one seeking desired ends offers oblations: / “Oṃ ghaṃ ṭaṃ ḍaṃ haṃ to the glorious Mahālakṣmī, namaḥ.”