Certificate Of Non Cash Advance For Maternity Benefits

Hello mga momsh,, may i have some question lng po,, seperated na po ako sa employer ko,, pumunta po ako sa sss to notify my pregnancy,, may requirements po duon. Na need daw po nila ang certificate of non cash advance for maternitt benefits saan ko po ba nakukuha ito..?, tsaka po yung L 501 signature card saan po yan kinukuha.....???