If the out-of-pocket expenses were incurred for a charitable organization (check below link to see if your organization qualifies) you may claim them as charitable cash donations (part of your itemized deductions) in the Deductions & Credits section.
https://apps.irs.gov/app/eos/
Data entry in Turbo Tax:
1. Federal Taxes
2. Deductions & Credits, Jump to Full List
3. Charitable Donations, select Donations to Charity
Please be sure to obtain an official letter from the charity you volunteer for, confirming that you foster for their organization. An approved/registered charity is one that has a recognized 501(c)(3) designation as a Not-for-Profit organization.
You can just use 12/31/2019 as the date of the contribution of money, but be sure to retain records for what you spent the money on (receipts, acknowledgement from the 501(c) 3 that you are fostering, etc.