Two options:
You use the local and actual salary rates. You can use Lump Sums for International Cooperation Partner Countries (ICPC) ICPC got the option being reimbursed: the basis of eligible costs or may opt for lump sums lump sum contribution is defined per country income group in the „list of ICPC economies“:
Economy contribution (€/researcher/year) low income 8 000 €
lower middle income 9 800 €
upper middle income 20 700 €