+------------+
| Mulai |
+------------+
↓
+---------------------------+
| Input Data Permintaan PO |
+---------------------------+
↓
+-------------------------+
| Susun Draft Purchase |
| Order (PO) |
+-------------------------+
↓
+--------------------+
| Verifikasi oleh FAT|
+--------------------+
↓ ↓
[Sesuai] [Tidak Sesuai]
↓ ↓
+---------------------+ +-----------------+
| Produk Existing ? | | Susun Ulang PO |
+---------------------+ +-----------------+
↓ ↓
[Ya] [Tidak]
↓ ↓
+-------------------+ +-------------------+
| Cek Stok oleh | | Terbitkan PO |
| Inventory | | Final |
+-------------------+ +-------------------+
↓ ↓ ↓
[Stok Ada] [Stok Tidak Ada] ↓
↓ ↓ ↓
+-------------+ +-------------------+
| Selesai | | Kirimkan PO |
+-------------+ | ke Supplier |
+-------------------+
↓
+-------------+
| Selesai |
+-------------+